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fixed line trimmer head with ease loading

fixed line trimmer head with ease loading

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. Change between serrated blades or fixed line tool-free and with ease. 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 … 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. As disclosed in FIG. The line then is grasped from the hollow interior of the head and pushed through the exit hole and pulled tight. 1 through 7, the outside diameter of the portion 28 is approximately 2⅛″; and the wall thickness of the portion 28 is approximately ¼″. 2. Also, it should be noted that while the embodiments shown in FIGS. It is relatively easy to remove an expended section of line and replace it with a new section of line when necessary. Fits all Trimmers Equipped to use Blades This difficulty results in excessive time being consumed for the removal and replacement of line segments. This is indicated somewhat in FIG. 2 Line Rapid Loader Easy loading trimmer line head. 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. Consequently, removal and replacement of a line is greatly facilitated through the use of the Fogle '242 head. & Terms of Use. 13) if such a configuration were desired. The line pivots for increased durability and longer life. 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. Multiple line segments (two are shown in the patent) may be inserted on opposite sides of the head. Privacy Policy 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. 7. A new line then must be guided into place around the wedges or guide surfaces. 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 Removal of a line is the reverse of the order mentioned. 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. 3, which has the general orientation of the exploded view shown in FIG. 8. 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. From bump-feed heads to pre-wound trimmer line disks, Oregon makes trimmer heads and line that will beautify your yard. FIG. 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. 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. 4, or by machining them to the desired curvature with them tapering as generally indicated in FIG. FIG. 1, the trimmer head for using fixed length segments of trimmer line comprises a generally central cylindrically shaped hollow main housing 20 (preferably made of aluminum), with a circular flange 24 near the upper end thereof and a smaller, hollow, cylindrical, downwardly depending portion 28 located beneath the flange 24. 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. 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. This patent employs a cut length of line having an enlarged portion or flange at one end. 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. Troy-Bilt 25 cc 2-Cycle Curved Shaft Gas Trimmer with Fixed Line Trimmer Head (177) Model# TB25C $ 79 99. If your trimmer head differs, follow the manufacturer’s instructions to remove the old head. 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. 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. 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. 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. 4 is a top perspective view of the lower portion 34/40/42/44 indicating the diverging nature of the arcuate guide paths 40 and 42 on one side of the lower insert portion of the housing. 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. 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. 7 uses the 90° line end spacing described above in conjunction with FIGS. 2 is a diagrammatic representation of a feature of the embodiment of FIG. We’ve created a wide selection of trimmer heads and line to meet the needs of different yards and lawns. 1 - Placed a 1/4" flat blade screwdriver in the notch allocated for locking the trimmer head in place. 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 lower cylindrical portion 28 of the upper part of the housing is open at its lower end, as is readily apparent from the cross-sectional view of FIG. The REEL EASY+ Pivoting Fixed Line and Bladed Head allows you to choose from 2 trimming methods with 1 easy to use head. The most common method is to push in, twist and pull off the spool. kwik loader fixed dual line head: Part Number: 385629 Specs: Easy load: just push to load and pull to unload Includes adapters, bolts and nuts Fits most trimmers, primarily for models with extended spindle Includes adapter spacer for Craftsman Homelite, IDC, John Deere, Lawn-Boy, McCulloch, Poulan, Ryan Hex drive arbor only FIG. No. Built with tough, robust materials for daily commercial application. 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. The REEL EASY+ Pivoting Fixed Line and Bladed Head works with RYOBI, Toro and Homelite … Frustration Free Trimming: The Sure Load Universal Trimmer Head is a new concept designed to suit all gas powered machines. 4 is a top perspective view of a portion of the embodiment shown in FIG. Typically, the line exit openings 32 are of a slightly larger diameter than the line entry holes 30, although this is not necessary. 5. 6, for an eight line end extension head of the general type shown in FIG. & Terms of Use. 5. For a typical embodiment of the head shown in FIGS. 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. Copyright © 1994 - 2020 This heavy duty fixed line trimmer head is sold as and individual kit. 8 through 13 illustrate various arrangements of line configurations for the embodiments disclosed in FIGS. Husqvarna T35 Straight Shaft Weedeater Head. Change between serrated blades or fixed line tool-free and with ease. Use fixed line allows for quick and easy reloads. ECHO trimmer heads have been designed for dependability and convenience above all else. 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. 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. 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. 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. This is done with both ends of the line segment. ECHO 21.2 cc Gas 2-Stroke Cycle Curve Shaft Trimmer. 1; FIG. The serrated blades are the ideal choice for trimming in heavy weeds or thick grass. For example, the line segment with the bight 60 between the two line insert holes 30 shown in FIG. The RYOBI 2-in-1 String Trimmer head adds versatility to any RYOBI automatic feed string trimmer. 1; FIG. The sets of holes 30 also could be drilled or formed parallel to one another, although a radial orientation is considered practical. Make your lawn beautiful with Oregon’s quality trimmer heads and line. 8 has been discussed previously in conjunction with the embodiment of FIGS. Using the same opposing pairs of entry holes 30, which are illustrated in FIGS. Trimmer Head • Loosen and turn head assembly off shaft. 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. 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. The U.S. Pat. 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. 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. bump and .110-in. You may say “goodbye forever” to conventional “line trimmer spools” after trying out this fixed-line trimmer head design. Install is beyond simple, two side catches and feed string through spindle holes. The trimmer head of the Fogle '618 patent overcomes the disadvantages of the devices discussed above. 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. $22.45 $ 22. Simply put, 2-cycle types require a gas-oil mixture for operation, where 4-cycle engines keep those components separate. 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. 7. 5,615,543 Caffey. The lower or second housing part 34 to 44 may be removably or permanently located in place in the upper housing during initial assembly. 1. 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...). 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. 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. 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. 1 through 4 at 90° intervals through the flange 24 of the upper housing part. 7). 4.6 out of 5 stars 15. 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 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. The 2-in-1 bump head combines convenience of a fixed line head and an easy to load bump-feed system. 3 has the two ends 62 and 64 exiting from respective exit openings 32 of FIG. 3 is a side view of the assembled embodiment of FIG. This is a time consuming and frustrating experience for many users of flexible line string trimmers. 1; FIG. The user is not required to turn the head over and manipulate line segments from within or underneath the head. Shop this Collection (45) Model# GT-225I $ 179 99. Oregon String Trimmer Heads and Line. 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. Remove the spool of line from the trimmer housing. FIG. 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. 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. Also, the line entry holes for each set of entry holes need not be in the same plane about the periphery of the portion 28, but may be located in different planes, as indicated in FIG. 1 through 7 can be varied in order to accommodate a variety of different line paths through the head, as indicated in FIGS. 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. 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. In FIG. FIG. If for some reason, however, cutting from two different elevations simultaneously by line end extensions in different planes is desired, FIG. 1. Fixed Line String Head. 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. 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. 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. Photo 1: Remove trimmer head. The trimmer head uses fixed line and can be used in a two or four line configuration. 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. For String Trimmer parts and accessories, think Jack’s! 6 illustrates the manner in which this can be accomplished. A small entry hole is located in the periphery of the head adjacent a larger exit hole. No. Other items that do not qualify for free shipping are subject to standard shipping rates.

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2020-12-08T10:27:08+00:00