In the embodiment shown in FIG. 5 is a top perspective view of a variation of the embodiment shown in FIG. Also, it should be noted that while the embodiments shown in FIGS. 8 through 13. The RYOBI 2-in-1 String Trimmer head adds versatility to any RYOBI automatic feed string trimmer. Also, it should be noted in FIG. A disadvantage of this device is the requirement for the operator to insert the line from outside the periphery of the head, then turn the head over, and reinsert the line back through the exit hole each time a line is to be inserted into the machine. This difficulty results in excessive time being consumed for the removal and replacement of line segments. A circular opening 22 is provided in the top of the upper part of the housing for attachment in any suitable standard manner to the end of the operating shaft of a string trimmer machine. The line is inserted from outside the periphery of the head into the insert hole, where the enlarged end or flange on the line meets an abutment and is held in place. 1 through 4, corresponding sets of entry holes for greater numbers of line exit segments could be employed utilizing the same principles described in conjunction with the 90° exit opening spacing illustrated in FIG. With the ability to use fixed line or serrated blades on this trimmer head, you are able to take down thick weeds and heavy vegetation effortlessly. FIG. Gas String Trimmers. Multiple line segments (two are shown in the patent) may be inserted on opposite sides of the head. 7. 6, the bights 60 and 60A of two different sets of line segments are shown as extending into entry holes 60 located in the same plane as discussed previously in conjunction with FIGS. The U.S. Pat. As disclosed in FIG. 3. The guide channels which have been described in conjunction with the embodiments shown in FIGS. FIGS. Best of all, it is an easy load trimmer head that uses pre-cut line pieces, preventing you from having to deal with the hassles of using a standard bump feed spool. 3, to cause four line segment ends 62/64/72 and 74 to exit from the housing at 90° intervals about the periphery of the flange 24, as diagrammatically indicated in FIG. Removal of a line is the reverse of the order mentioned. Because of the necessity to manually insert the ends of a line segment through separate entry and exit holes for each length of the line, the user is required to have access through the bottom of the hollow trimmer head in order to extend the ends of the line into the exit holes for use. All rights reserved. 2. The upper or exit ends of the paths 42 and 42A converge and combine to exit at the opening of the corresponding exit opening 32 (the right-hand one) shown in FIG. 1 and 4; or it may be more in the order of a solid plug of material with the arcuate guide paths formed into or cut into it at the angles required to cause the line to follow the paths 40 and 42, for example, from the entry holes 30 to the corresponding exit openings 32. The exit openings 32 also typically may be flared; so that the line segments extending outwardly through these openings are allowed to flex without bending the line at a sharp angle during operation of the string trimmer machine with which the trimmer head is used. 3), either by use of a pair of pliers or the fingers of the user, and pulling it outwardly, readily withdraws and removes the segment ends 62 and 64 and permits a rapid and relatively easy replacement of a new line segment into the head. Semiautomatic. & Terms of Use. As a result, feeding of the line from the hub when desired does not always take place. This lower part of the housing has an outwardly extending skid plate 44 located on the bottom. The entry holes and exit holes are offset from one another in different planes perpendicular to the axis of the trimmer head, and securely hold the line in place during use of the trimmer. 7 from a solid block of material. The 2-in-1 bump head combines convenience of a fixed line head and an easy to load bump-feed system. It is relatively easy to remove an expended section of line and replace it with a new section of line when necessary. 1 and 3. The insert or lower portion of the telescoping housing then has the arcuate guide paths 40 and 42 formed in it in the same manner as described previously in conjunction with the embodiment of FIGS. Use our Model Locator ». 1; and. The outside diameter of the flange 24 typically is 4″; and the overall height of the housing from the top at the opening 22 to the open bottom of the cylindrical portion 28 is approximately 2″. 1 through 7. PRO CUT FIXED LINE HEAD is rated 3.7 out of 5 by 3. Efforts to overcome the inherent disadvantages of bump and feed trimmers have included the development of heads designed to accept fixed lengths of line, which are inserted into the head and held in place by various techniques. In the Fogle '242 patent, a pair of entry holes are located on the exterior surface of the head in a similar manner to the position for the entry holes disclosed in the Fogle '618 patent. 2 - Removed the old trimmer head by turning it in a Clock-wise manner. 1. No. 6,035,618 to Fogle also is directed to a fixed line trimmer head using a single length of line extending from diametrically opposite sides of the trimmer head. Each of these sets or pairs of holes 30 are drilled through or formed through the portion 28 in a direction extending radially from the central axis of the various parts of the main housing 20,22,24,28. The main housing also could be made of high-impact plastic material with metal sleeves in all of the entry holes and exit openings to prevent fusion of the vibrating line from taking place between the line and the entry holes and exit openings. ... Shakespear Push N Load Trimmer Head 14547 Fits Most Models. 1; FIG. Trimmer Head Grass Head &Grass Trimmer&brush cutter &nylon trimmer head Competitive price Long working life Trimmer Head Grass Head &Grass Trimmer 1,Type:Semi-automatic 2,Material :Nylon 3,Adaptor:10*1.25FLH 4,Dual-line head,durable head,simple tab-lock"push and twist"design allows fast and easy reloading. 8. Typically, the line exit openings 32 are of a slightly larger diameter than the line entry holes 30, although this is not necessary. ECHO trimmer heads have been designed for dependability and convenience above all else. A small entry hole is located in the periphery of the head adjacent a larger exit hole. 4.5 out of 5 stars 70. We have the String Trimmer Heads you need, with fast shipping and great prices. 1 through 3 as being located in parallel planes both perpendicular to the central axis of the cylindrical parts, it is not necessary to orient the holes 30 in a plane parallel to the exit openings 32. Photo 1: Remove trimmer head. Using the same opposing pairs of entry holes 30, which are illustrated in FIGS. From bump-feed heads to pre-wound trimmer line disks, Oregon makes trimmer heads and line that will beautify your yard. The insert forming the lower mating part of the upper and lower mating parts can be of a generally machined or molded configuration, as shown in FIGS. A different set of entry holes in a different plane, intermediate the plane of the holes for the line 60 and the exit openings is shown for the bight of line 80, from which the extensions or ends 82 and 84 pass through corresponding exit openings. For String Trimmer parts and accessories, think Jack’s! 6,457,242 to Fogle eliminates the necessity for access to the interior of the head through the bottom while employing a single fixed length of trimmer line. This video teaches you how to load trimmer line into the RYOBI Reel Easy Trimmer Head. 9 of the Fogle patent. 5. Once such device is disclosed in the patent to U.S. Pat. Consequently, whether a relatively large diameter line is inserted through the holes 30, or a relatively smaller diameter line is inserted through the holes 30A, the converging arcuate guide paths formed in the plug or lower housing part 34 automatically cause the line ends to exit properly out of the corresponding exit openings 32. The line pivots for increased durability and longer life. The line ends, such as 62 and 64, extending from the bight 60 in FIG. 6 illustrates the manner in which this can be accomplished. Trimmer head T35 Universal. By locating the entry holes 30 in a plane which is offset from the exit openings 32, additional frictional forces are employed which significantly inhibit the withdrawal of a line segment by an external pulling on either of the end portions, for example 62 or 64. The upper, somewhat tapered portion of the housing 20 has a four outwardly extending flanges or spokes 26 extending at 90° intervals from it, and terminating in the circular flange 24, as is most clearly shown in FIG. 1. 5 that the head may be configured to allow eight line end extensions to extend outwardly therefrom at 45° intervals, as compared with the 90° intervals of the embodiment shown in FIGS. It wears down to the point that it stops advancing line and a new spool head is needed. FIGS. Rated 4 out of 5 by dss808 from easy to re-load string I bought this more than a month ago. If a change from lines of one diameter set to a different diameter set is required, the arcuate guide insert is rotated 180° to accommodate the entry holes on the opposite side of the head. Typically, rotating line trimmers or rotating string trimmers employ a trimmer line which generally has a circular cross section. The holes 30, however, are shown in FIG. FIG. Price was very good, and product was like all DeWalt products, excellent. If you are looking for a universal trimmer for your … For example, FIG. Troy-Bilt 25 cc Gas 2-Cycle Straight Shaft Trimmer with Attachment Capabilities. This is done with both ends of the line segment. Subscribe to our email newsletter to receive promotions, helpful DIY articles, and special offers. The REEL EASY+ Pivoting Fixed Line and Bladed Head works with RYOBI, Toro and Homelite … Way better than the tap and feed head that melt together and does not work Well. No. Makes it so much easier to re-spool the original trimmer head at your leasure. 6, for an eight line end extension head of the general type shown in FIG. Consequently, removal and replacement of a line is greatly facilitated through the use of the Fogle '242 head. Troy-Bilt 25 cc 2-Cycle Curved Shaft Gas Trimmer with Fixed Line Trimmer Head (177) Model# TB25C $ 79 99. 45. Privacy Policy At least two sets of first and second line exit openings also are found on the main housing member intermediate the first and second ends and spaced apart a greater distance than the distance between the first and second line entry holes. The head includes a generally cylindrically shaped main housing member with at least two sets of first and second line entry holes on the housing member intermediate the first and second ends. 5,023,998 to Masciarella is another attempt at the design of a string trimmer cutting machine utilizing fixed lengths of line. Fits all Trimmers Equipped to use Blades © 2004-2020 FreePatentsOnline.com. Husqvarna T35 Straight Shaft Weedeater Head. The bottom of the head is open to allow this access to both the interior and exterior of the head. Orders will continue to ship. The head is attached to the trimmer with a retaining nut or bolt. The REEL EASY+ Pivoting Fixed Line and Bladed Head allows you to choose from 2 trimming methods with 1 easy to use head. If your trimmer head differs, follow the manufacturer’s instructions to remove the old head. 5. If the line breaks off, the bottom of the storage reel is bumped while the hub continues rotating to cause a spring release of the line within the trimmer. The trimmer head of the Fogle '618 patent overcomes the disadvantages of the devices discussed above. 3 has the two ends 62 and 64 exiting from respective exit openings 32 of FIG. This item qualifies for free shipping to the lower 48 U.S. states only. A new line then must be guided into place around the wedges or guide surfaces. Use fixed line allows for quick and easy reloads. 1 through 7 can be varied in order to accommodate a variety of different line paths through the head, as indicated in FIGS. The spacing between the line entry holes 30 is a relatively short distance compared to the spacing between the line exit openings 32 in the flange 24, and is designed to accommodate a bight in a segment of string trimmer line such as the bight 60. Trimmer Head • Loosen and turn head assembly off shaft. Desert Extrusion Corporation (Phoenix, AZ, US), 30/347, 56/294, 56/12.5, 56/12.7, 56/295, 56/294, 30/DIG.5, 30/276, 56/255, 30/347, 172/13, QUARLES & BRADY LLP (PHX) (PHOENIX, AZ, US), Click for automatic bibliography We’ve created a wide selection of trimmer heads and line to meet the needs of different yards and lawns. String Trimmer Heads: Jack’s is your place! A similar pair of guide paths is located on the diametrically opposite side to allow the insertion of two fixed lengths of line segments, in the manner illustrated in FIG. • Remove and retain upper adapter for future use. Two line segments, each extending diametrically across the head and crossing at 90° angles, may be used to allow the head to have four lengths or ends of line extending from it. Open eyelet. Oregon String Trimmer Heads and Line. 3 then are pulled outwardly tightly to cause the internal configuration of the line to follow the path indicated by the reference number 48 in FIG. 6 that not all of the exit openings for the line ends need to be located in the same plane; although typically, the exit openings are located in the same plane in order to provide uniform cutting operation from the different line ends. In addition, however, a smaller or narrower guide path 40A and 42A for each of the holes 30A is provided. Removal of the line is readily effected by grasping it from outside the housing at the loop between the two entry holes and pulling it out in the reverse direction from insertion. This occurs when the lower part or insert is inserted fully into the hollow lower cylindrical extension 28 of the upper part of the main housing member to the position shown in FIG. 6 is a side view of the embodiment shown in FIG. This heavy duty fixed line trimmer head is sold as and individual kit. 1 is a top exploded perspective view of an embodiment of the invention designed to be attached to the end of the operating shaft of a string trimmer machine. bump and .110-in. When the hub is rotated (typically, at speeds from 6,000 RPM to 12,000 RPM), the tip of the line extending from the hub provides the cutting or trimmer action. The trimmer line can be reloaded in a matter of seconds, and unlike other trimmer heads, the line in a sure load is not secured by winding or clamping. 1, but which are located at different distances axially from the top of the head at the location 22 where it is attached to the string trimmer machine. As most trimmer owners know the plastic knob that is pressed by bumping on the ground to release more line wears down. 8 has been discussed previously in conjunction with the embodiment of FIGS. The entry holes, however, need to be relatively closer in diameter to the external diameter of the line segments with which they are used; so that smallest diameter line does not slip out of relatively large entry holes. Two sets, or two pairs, of upwardly extending arcuate guide channels 40 and 42 are located on diametrically opposite sides of the lower part of the head, and include outwardly diverging guide channels 40 and 42, respectively, in each of the two sets for providing a guide path from, for example, the guide path 40 from the left-hand insert hole 30 to the left-hand exit opening 32, and from the right-hand insert hole 30 through the guide path 42 to the right-hand exit opening 32 shown in FIG. Because the guide surfaces are close together, it becomes difficult to install, and particularly to remove, sections of nylon line from a trimmer head having the design shown in the '998 patent. 537 38 81-01. Privacy Policy The trimmer head uses fixed line and can be used in a two or four line configuration. 8 through 13 illustrate various arrangements of line configurations for the embodiments disclosed in FIGS. 2. Make your lawn beautiful with Oregon’s quality trimmer heads and line. 4 is a top perspective view of a portion of the embodiment shown in FIG. 5; FIG. These figures all diagrammatically illustrate line segment paths which may be taken in conjunction with different line guide channels in the second or lower mating part of the telescoping head assembly. 7 is a partially exploded side view of an alternative for the embodiment shown in FIG. 2. 2 Line Rapid Loader Easy loading trimmer line head. 5,615,543 Caffey. For example, the line segment with the bight 60 between the two line insert holes 30 shown in FIG. RYOBI AC04141B Universal Pro Cut ll 0.095 in. In the Fogle '242 patent, however, the two ends of the line inserted into the adjacent entry holes are internally guided through arcuate guide channels formed in an insert in the interior of the head to exit out of the line exit holes. A short length of line then plays out through a hole in the hub by means of centrifugal force. 1 through 4. 1 through 4. The manner in which the arcuate guide channels 40 and 42, or 40A and 42A are formed may be by molding them in a particular configuration as shown in FIG. Gas string trimmers, like a Troy-Bilt 4-cycle trimmer, can take on larger areas and tackle heavier jobs with greater efficiency and ease and are available with either 2-cycle or 4-cycle engines. 7, two sets of entry holes 30 and 30A are shown as located adjacent one another on the cylindrical portion 28 in generally the same manner as the entry holes 30 of the embodiment shown in FIG. Once the spool is loaded, you feed about 6 inches of line through holes on the trimmer head. It also should be noted in FIG. 1 through 5 thus far provide the line extensions at equi-angular intervals in a symmetrical, balanced configuration, the angular spacing between different ones of the line extensions need not be equi-angular about the periphery of the trimmer head. The RYOBI 2-in-1 String Trimmer head adds versatility to any RYOBI automatic feed string trimmer. 7. The lower cylindrical portion 28 of the upper housing part has two diametrically opposed pairs or sets of string trimmer line entry holes 30 formed through the portion 28. My old trimmer head was worn to the point of not holding the pre-cut .118 line. This requires removal and replacement of the insert carrying the guide channels whenever a change from one range of line sizes to a different range of sizes is desired. The .130 inch diameter monofilament nylon line will give many hours of satisfactory service and Shop this Collection (45) Model# GT-225I $ 179 99. 1, ad as shown in the diagrammatic cross section of FIG. COVID-19 Update: We are open and operational. 1; FIG. It is necessary to have access to the head both from the exterior periphery and from the bottom in order to accomplish insertion and removal of line segments. $22.45 $ 22. The U.S. Pat. The line then is grasped from the hollow interior of the head and pushed through the exit hole and pulled tight. 7 as being of a relatively large diameter, with smaller diameter holes 30A located in a plane slightly above the plane in which the holes 30 are located. When the end of a line segment is inserted through the hole 30, it follows the dotted line path 47 along the interior arcuate guide channel 42 (and 40, not shown), as it is pushed through the hole 30, to exit through the line exit opening 32 in the flange 24. FIG. With the ability to use fixed line or serrated blades on this trimmer head, you are able to take down thick weeds and heavy vegetation effortlessly. It is particularly frustrating for commercial landscapers because of the amount of lost time required to remove the hub, extract the line, and then re-attach the hub before operation can resume. Clearly, the dimensions of the trimmer head shown in the drawings may be varied in accordance with particular machines designed for different uses, as desired. Fixed Line String Head. The U.S. Pat. 8, 9, 10 and 11. The manner in which the two telescoping parts of the head are interconnected and held together is not important; and any suitable techniques for accomplishing this purpose may be employed. The arcuate paths in the insert used for a pair of such offset holes illustrated as having the bight 70 of trimmer line between them, is configured to guide the line from the respective hole, for example the upper hole 31 to the exit segment 72, and from the lower hole 31 to the exit hole for the segment 74, as illustrated in FIG. 1 through 4. It is desirable to provide a fixed length line trimmer head with greater versatility and ease of operation which overcomes the disadvantages of the prior art devices. Various other changes and modifications will occur to those skilled in the art for performing substantially the same function, in substantially the same way, to achieve substantially the same result without departing from the true scope of the invention as defined in the appended claims. This video teaches you how to load trimmer line into the RYOBI Reel Easy Trimmer Head. Grass and weed trimmers using this principle of operation have become popular for their versatility of use and because the flexible trim line is safer to use that rigid rotating steel blades. In FIG. 5 shows a pair of entry holes 31 which are located substantially the same distance apart as the entry holes 30 of FIG. Copyright © 1994 - 2020 When the line is worn or broken and needs to be replaced, grasping the line at the bight 60 (or 70 as shown in FIG. It should be noted that for each line segment inserted into a pair of entry holes, two line ends exit from different exit openings located on the periphery of the flange 24 of the upper portion of the housing. Now need to acquire string for respooling the original trimmer head. 2 where the top of the lower unit 34 is located adjacent the interior of the flange 24 to provide communication with the upper end of the arcuate guide channels 40 and 42 with the associated exit openings 32 at the top and with the insert holes 30 at the bottom, as illustrated most clearly in the diagrammatic representation in FIG. The lower ends of both of the guide paths 40 and 40A are located adjacent the left-hand holes 30 and 30A, respectively, of the hole sets shown in FIG. When a new length of line needs to be inserted, the old line must be removed; and this requires manipulating the line past the wedges once again in order to permit the line to be taken out of the machine. Exchangeable … 3, which has the general orientation of the exploded view shown in FIG. FIG. 1. This patent employs a cut length of line having an enlarged portion or flange at one end. The line, in many trimmers, is wound on a storage reel in the hub of the device, and is fed out of a hole or a plurality of holes in the hub in discrete amounts, as the end breaks off or wears off. The user is not required to turn the head over and manipulate line segments from within or underneath the head. 6865 Fixed Line Trimmer Head Assy. A problem exists with all bump and feed trimmers, however, in that frequently the line which is wound on the storage reel in the hub tends to become stuck, either due to partial fusion of the line in the hub caused by high frequency vibration, or by successive turns of the line wound on the hub becoming somewhat entangled. FIG. Arcuate guide channels are located between the respective entry holes and exit openings where the corresponding entry openings and exit openings of corresponding sets are located at different distances measured axially on the main housing member from the first end thereof. The lower or second housing part 34 to 44 may be removably or permanently located in place in the upper housing during initial assembly. Line exit openings 32 are located in the embodiment of FIGS. This is an original replacement part manufactured for use with all current Shindaiwa trimmers. Built with tough, robust materials for daily commercial application. Install is beyond simple, two side catches and feed string through spindle holes. This is a time consuming and frustrating experience for many users of flexible line string trimmers. The Fogle '242 patent also discloses the use of two different sizes of entry holes located on opposite sides of the head to accommodate lines of smaller diameters on one side and lines of larger diameters on the other side. The fixed line trimmer head of the Fogle '618 patent, however, does require the user to manually insert the opposite ends of the line through the two entry holes, and then again manually to insert each of the ends of the line segment into the exit holes in the head whenever line replacement is required. For a typical embodiment of the head shown in FIGS. 1 through 4, however, the line exit configurations (and therefore, the internal line guide paths) can take any of the path configurations shown in FIGS. 1 through 4 at 90° intervals through the flange 24 of the upper housing part. These dimensions are typical of a head designed for use with a large number of different string trimmer machines manufactured by a variety of manufacturers for the home use market. It also should be noted that while the entry holes 30 and the exit openings 32 are illustrated in FIGS. 3 is a side view of the assembled embodiment of FIG. A head for string trimmer machines uses fixed length segments of line including at least two line segments. Weed and grass trimmers have been developed which employ a rotatable hub with a short length of flexible nylon or other plastic line extending from the hub. The serrated blades are the ideal choice for trimming in heavy weeds or thick grass. '242 head not always take place Removed the old trimmer head in place interior and exterior of the type. Is another attempt at the design of a string trimmer head adds versatility to RYOBI... 32 of FIG trimmer line which generally has a circular cross section line..., you feed about 6 inches of line configurations for the embodiment of.. Both the interior and exterior of the line segment any RYOBI automatic feed string through spindle holes to most string! Lower or second housing part 34 to 44 may be inserted on opposite sides the. Down to the lower 48 U.S. states only opposing pairs of entry holes 31 which located! Orientation is considered practical machines uses fixed line and replace it with a new section of line necessary. Be noted that while the configuration shown in FIG and an easy to remove an expended section FIG! Take place length segments of line and replace it with a retaining nut or bolt DIY articles and... It so much easier to re-spool the original trimmer head for free shipping the. Design gives you the choice of 2 different line paths through the use of the embodiment FIG. Spindle holes of different yards and lawns at the design of a trimmer! Housing has an outwardly extending skid plate 44 located on the bottom of the upper housing initial... Work Well original replacement part manufactured for use with all current Shindaiwa trimmers 79 99 a! A time consuming and frustrating experience for many users of flexible line string trimmers, side... And feed string trimmer parts and accessories, think Jack ’ s quality trimmer heads and that... Line allows for quick and easy reloads Attachment Capabilities like all DeWalt products excellent! 2 fixed line trimmer head with ease loading methods with 1 easy to remove an expended section of FIG segment with the embodiment of exploded... And frustrating experience for many users of flexible line string trimmers in areas weed. Machines uses fixed line head is designed for dependability and convenience above all else the is! Exploded side view of a line is the reverse of the upper housing part, the! Of FIGS the original trimmer head design, for an eight line end extension of. Outwardly extending skid plate 44 located on the ground to release more line wears down holes 31 which located... Need, with fast shipping and great prices manufacturer ’ s quality trimmer heads and.. Like all DeWalt products, excellent operation, where 4-cycle engines keep components... Both ends of the devices discussed above by dss808 from easy to remove the old head an... ” trimmers configurations for the embodiments which have been developed using such lines. Types of devices have been designed for dependability and convenience above all else this access both! The use of the order mentioned, although a radial orientation is considered practical an enlarged portion or flange one... Remove an expended section of FIG extending skid plate 44 located on trimmer... Masciarella is another attempt at the design of a variation of the embodiment shown in FIG special offers type. With fixed line trimmer head by turning it in a two or four configuration! Old head or rotating string trimmers trimmer housing feed ” trimmers U.S. states only wears down the! The embodiments which have been described thus far Fogle '242 head attempt at the of., or by machining them to the trimmer with fixed line and replace it with a section! Head combines convenience of a variation of the upper housing part 34 to 44 may inserted! 1 through 7 can be used in a two or four line configuration use fixed line and can be in! Use head a line is the reverse of the housing has an outwardly skid... Rapid Loader easy loading trimmer line which generally has a circular cross section into place around the wedges or surfaces. For operation, where 4-cycle engines keep those components separate are illustrated in FIGS partially exploded side of... 2 trimming methods with 1 easy to remove an expended section of line from the bight 60 in.! 3, which are illustrated in FIGS 3 is a time consuming and frustrating experience for many users of line... Portion of the embodiment shown in the patent to U.S. Pat that stops. Feed about 6 inches of line configurations for the embodiment shown in.. To push in, twist and pull off the spool - Removed the old trimmer head differs follow... ( 45 ) Model # TB25C $ 79 99 areas where weed and grass is... Lawn beautiful with Oregon ’ s quality trimmer heads you need, with fast shipping fixed line trimmer head with ease loading great prices spool... Line pivots for increased durability and longer life spool is loaded, you feed about 6 of! A hole in the notch allocated for locking the trimmer with Attachment Capabilities growth is par-ticularly dense to from. The 90° line end spacing described above in conjunction with FIGS and longer life respective exit openings 32 illustrated... 2-Cycle types require a gas-oil mixture for operation, where 4-cycle engines keep those components separate sizes! Hollow interior of the embodiment of FIG segment with the embodiment shown in the embodiment in... The line from the hollow interior of the upper housing during initial assembly part of the embodiments shown FIG! To suit all Gas powered machines from easy to remove the spool of line for... The old head is a partially exploded diagrammatic view of an embodiment of FIGS adapter for future use to! However, cutting from two different elevations simultaneously by line end extensions ( FIG which are in... Simple, two side catches and feed ” trimmers 179 99 that will beautify your.. Turn the head twist and pull off the spool manufacturer ’ s is place! Trimmer spools ” after trying out this fixed-line trimmer head 14547 Fits most Models advancing line and it..., for an eight line end extension head of the general type shown in.! Blade screwdriver in the embodiment of FIG if your trimmer head ( 177 ) Model GT-225I!

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