The line then is grasped from the hollow interior of the head and pushed through the exit hole and pulled tight. Multiple line segments (two are shown in the patent) may be inserted on opposite sides of the head. 1 is a top perspective exploded view of an embodiment of the invention; FIG. 3 has the two ends 62 and 64 exiting from respective exit openings 32 of FIG. From the original Universal™ Twist Feed Manual Head, to Cyclotron™ Technology Trimmer Heads of tomorrow today, Proulx Mfg, Inc. is the only manufacturer of heads that never need splitting to load and/or unload a line. 1; FIG. Troy-Bilt 25 cc 2-Cycle Curved Shaft Gas Trimmer with Fixed Line Trimmer Head (177) Model# TB25C $ 79 99. No. 1 through 7, the outside diameter of the portion 28 is approximately 2⅛″; and the wall thickness of the portion 28 is approximately ¼″. 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 2-in-1 bump head combines convenience of a fixed line head and an easy to load bump-feed system. The preference of many homeowners and professionals, the fixed-line design of this string head allows the user to reload string in seconds simply by inserting pre-cut strips of line directly into the head. This item qualifies for free shipping to the lower 48 U.S. states only. 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. This Heavy Duty Fixed Line Head is a solid wheel of aluminum. 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. 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. This is a time consuming and frustrating experience for many users of flexible line string trimmers. 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. 7 is a partially exploded side view of an alternative for the embodiment shown in FIG. 1; FIG. 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. The guide channels which have been described in conjunction with the embodiments shown in FIGS. 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. 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. The WEEDWACKER® trimmer head feeds .095-in. My old trimmer head was worn to the point of not holding the pre-cut .118 line. To provide eight line end extensions from a head, four line segments are employed with corresponding pairs or sets of arcuate guide channels for each of the four sets of line entry holes being provided. No. 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. No. Typically, the smaller (2½″ diameter to 3½″ diameter) head bump and feed string trimmers use relatively small diameter line, normally in the range of 0.65″ to 0.080″ diameter, since the smaller diameter flexible line functions better for the centrifugal feeding of such smaller diameter bump and feed heads. The trimmer head of Fogle employs a pattern of pairs of entry and exit holes for inserting a fixed length of trimmer line through a pair of relatively closely spaced entry holes, and then extending each end of the line out through exit holes located in the head. This convenient fixed-line trimmer head attaches to most gas string trimmers for efficient trimming and easy line replacement. • Remove and retain upper adapter for future use. 5; FIG. Also, it should be noted that while the embodiments shown in FIGS. FIG. & Terms of Use. 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. 8. Frustration Free Trimming: The Sure Load Universal Trimmer Head is a new concept designed to suit all gas powered machines. No. 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. ECHO 21.2 cc Gas 2-Stroke Cycle Curve Shaft Trimmer. 1. The sets of holes 30 also could be drilled or formed parallel to one another, although a radial orientation is considered practical. 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. 7 from a solid block of material. Way better than the tap and feed head that melt together and does not work Well. It also should be noted that while the entry holes 30 and the exit openings 32 are illustrated in FIGS. If you are looking for a universal trimmer for your … Once the line has exited from the diametrically opposed exit holes, it is pulled tightly and the offset position axially of the entry holes with the exit holes, combined with the arcuate guide paths, firmly holds the line in place during use. If your trimmer head differs, follow the manufacturer’s instructions to remove the old head. 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 REEL EASY+ Pivoting Fixed Line and Bladed Head works with RYOBI, Toro and Homelite … From bump-feed heads to pre-wound trimmer line disks, Oregon makes trimmer heads and line that will beautify your yard. The upper or exit ends of the guide paths 40 and 40A converge to exit at the same exit opening 32 (the left-hand one shown in FIG. FIG. 13) if such a configuration were desired. PRO CUT FIXED LINE HEAD is rated 3.7 out of 5 by 3. 1; FIG. 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. 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. Removal of a line is the reverse of the order mentioned. 1. 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. The serrated blades are the ideal choice for trimming in heavy weeds or thick grass. The exit openings 32 which are formed in the flange 24 may be designed to accommodate the largest diameter line which is used with the head. You may say “goodbye forever” to conventional “line trimmer spools” after trying out this fixed-line trimmer head design. FIGS. Makes it so much easier to re-spool the original trimmer head at your leasure. A small entry hole is located in the periphery of the head adjacent a larger exit hole. 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. COVID-19 Update: We are open and operational. 6 is a side view of the embodiment shown in FIG. Similarly, the lower end of the guide path 42 is located adjacent the right-hand hole 30; and the lower end of the smaller guide path 42A is located adjacent the smaller diameter right-hand hole 30A in the housing 28. When this occurs, it is necessary to remove the hub from the string trimmer device and manually extract the desired length of line prior to re-attaching the hub of the device. The trimmer head uses fixed line and can be used in a two or four line configuration. The bottom of the head is open to allow this access to both the interior and exterior of the head. 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. The dotted line configuration showing the bight 70 in a line segment having one end 72 and another end 74 (not shown) is located on the opposite side of the cylindrical portion 28, as indicated in dotted lines in FIG. 8 through 13. Make your lawn beautiful with Oregon’s quality trimmer heads and line. A new line then must be guided into place around the wedges or guide surfaces. 7. 6865 Fixed Line Trimmer Head Assy. 7). Shop this Collection (45) Model# GT-225I $ 179 99. The manner in which the arcuate guide channels is formed is not important, so long as the orientation of the channels permits the operation which has been described in detail above for relatively easy insertion and removal of line segments from the exterior of the housing from its side. 8 has been discussed previously in conjunction with the embodiment of FIGS. 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 … This trimmer head will include mounting hardware. generation, Line retaining plate for trimmer head of string trimmer/mower apparatus, Filament holder for a rotating filament vegetation cutter, <- Previous Patent (Rotary electric shav...). The lower or second housing part 34 to 44 may be removably or permanently located in place in the upper housing during initial assembly. 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. 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. 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. 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. For a typical embodiment of the head shown in FIGS. This heavy duty fixed line trimmer head is sold as and individual kit. In the embodiment shown in FIG. The manner in which this is done is by re-configuring the guide paths in the lower insert or mating part of the head to direct the line to the respective or corresponding exit openings. 5 shows a pair of entry holes 31 which are located substantially the same distance apart as the entry holes 30 of FIG. This patent employs a cut length of line having an enlarged portion or flange at one end. 1 through 4. The trimmer head of the Fogle '618 patent overcomes the disadvantages of the devices discussed above. Reference now should be made to the drawings, in which the same reference numbers are used throughout the different figures to designate the same or similar components. 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. 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