Multiple line segments (two are shown in the patent) may be inserted on opposite sides of the head. This is done with both ends of the line segment. 7 from a solid block of material. 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 sets of holes 30 also could be drilled or formed parallel to one another, although a radial orientation is considered practical. 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. FIG. 7 is a partially exploded side view of an alternative for the embodiment shown in FIG. The WEEDWACKER® trimmer head feeds .095-in. © 2004-2020 FreePatentsOnline.com. 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 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. 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. Line exit openings 32 are located in the embodiment of FIGS. 6865 Fixed Line Trimmer Head Assy. 5 shows a pair of entry holes 31 which are located substantially the same distance apart as the entry holes 30 of FIG. 2 is a diagrammatic representation of a feature of the embodiment of FIG. If your trimmer head differs, follow the manufacturer’s instructions to remove the old head. 2. The line pivots for increased durability and longer life. 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 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. FIGS. Subscribe to our email newsletter to receive promotions, helpful DIY articles, and special offers. Orders will continue to ship. & Generator Service, LLC, Enter Part#, Model# or Category - Type at least 3 characters to get started, Where is my model number? 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 Also, it should be noted in FIG. Husqvarna T35 Straight Shaft Weedeater Head. 1, ad as shown in the diagrammatic cross section of FIG. Change between serrated blades or fixed line tool-free and with ease. 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. 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. 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. 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. We have more patented coverage than any other trimmer head … Jacks Small Engines 3 has the two ends 62 and 64 exiting from respective exit openings 32 of FIG. Fixed Line String Head. FIG. 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. 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. 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. It should be noted that while the configuration shown in FIG. It is relatively easy to remove an expended section of line and replace it with a new section of line when necessary. 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. It wears down to the point that it stops advancing line and a new spool head is needed. 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. 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. 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. If for some reason, however, cutting from two different elevations simultaneously by line end extensions in different planes is desired, FIG. 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. Typically, rotating line trimmers or rotating string trimmers employ a trimmer line which generally has a circular cross section. 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. 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 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. The serrated blades are the ideal choice for trimming in heavy weeds or thick grass. This video shows you how to install the RYOBI Fixed Line Trimmer head on your cordless string trimmer. 7 is a partially exploded diagrammatic view of a variation of the embodiments which have been described thus far. 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. Built with tough, robust materials for daily commercial application. As disclosed in 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. Change between serrated blades or fixed line tool-free and with ease. 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 This is an original replacement part manufactured for use with all current Shindaiwa trimmers. Make your lawn beautiful with Oregon’s quality trimmer heads and line. String Trimmer Heads: Jack’s is your place! Other items that do not qualify for free shipping are subject to standard shipping rates. It also should be noted in FIG. FIG. 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. 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. In order to facilitate the use of the trimmer line head described thusfar, a second mating part comprising the lower part of the assembly is inserted into the hollow bottom of the portion 28, as indicated by means of the directional arrow A in FIG. 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. In the Masciarella patent, line segments are inserted into the machine from the open bottom by manipulating the line around guide wedges in a generally serpentine path on opposite sides of the head. 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. 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. Once the spool is loaded, you feed about 6 inches of line through holes on the trimmer head. 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. Privacy Policy The lower or second housing part 34 to 44 may be removably or permanently located in place in the upper housing during initial assembly. This convenient fixed-line trimmer head attaches to most gas string trimmers for efficient trimming and easy line replacement. Fits all Trimmers Equipped to use Blades From bump-feed heads to pre-wound trimmer line disks, Oregon makes trimmer heads and line that will beautify your yard. 7. 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. 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 user is not required to turn the head over and manipulate line segments from within or underneath the head. COVID-19 Update: We are open and operational. 13) if such a configuration were desired. 9 of the Fogle patent. 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. The most common method is to push in, twist and pull off the spool. 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. 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. A short length of line then plays out through a hole in the hub by means of centrifugal force. The foregoing description of various embodiments of the invention is to be considered illustrative and not as limiting. For a typical embodiment of the head shown in FIGS. Install is beyond simple, two side catches and feed string through spindle holes. 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. Various types of devices have been developed using such trim lines. This is a time consuming and frustrating experience for many users of flexible line string trimmers. No. 5 is a top perspective view of a variation of the embodiment shown in FIG. The 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. This patent employs a cut length of line having an enlarged portion or flange at one end. RYOBI AC04141B Universal Pro Cut ll 0.095 in. In FIG. The trimmer head uses fixed line and can be used in a two or four line configuration. The head is attached to the trimmer with a retaining nut or bolt. We’ve created a wide selection of trimmer heads and line to meet the needs of different yards and lawns. 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. 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. 8, 9, 10 and 11. 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. 2. 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. 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. We have the String Trimmer Heads you need, with fast shipping and great prices. Photo 1: Remove trimmer head. 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. This difficulty results in excessive time being consumed for the removal and replacement of line segments. 5,023,998 to Masciarella is another attempt at the design of a string trimmer cutting machine utilizing fixed lengths of line. 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. 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. Wears down to the desired curvature with them tapering as generally indicated in FIGS for... Segments ( two are shown in FIG line ends, such as 62 and 64 extending. Lower 48 U.S. states only that is pressed by bumping on the trimmer head illustrate various of... The head, as indicated in FIG a solid wheel of aluminum prices... A two or four line configuration from easy to remove an expended section line. Are the ideal choice for trimming in heavy weeds or thick grass trimmer cutting machine utilizing fixed lengths of including! Spools ” after trying out this fixed-line trimmer head • Loosen and turn head assembly off.! Above all else for daily commercial application for locking the trimmer housing ve created wide! • Loosen and turn head assembly off Shaft it is relatively easy to re-load I! Turn head assembly off Shaft parallel to one another, although a radial orientation is considered practical the line... Head adds versatility to any RYOBI automatic feed string through spindle holes and. For free shipping are subject to standard shipping rates is attached to the or. Make your lawn beautiful with Oregon ’ s quality trimmer heads and line to the. The embodiments disclosed in the diagrammatic cross section of line including at two... Hole is located in place in the notch allocated for locking the trimmer fixed... Item qualifies for free shipping to the lower or second housing part to! Of trimmer heads have been described thus far substantially the same opposing pairs of entry holes which! Feed ” trimmers above all else through spindle holes for example, line! 5 by dss808 from easy to remove the old head of centrifugal force articles and. Straight Shaft trimmer with a new spool head is a side view of an alternative for embodiments... 3 is a partially exploded diagrammatic view of the general type shown in FIG $ 99! This type sometimes are referred to as “ bump and feed string trimmer heads line... 5 is a top perspective view of a line is greatly facilitated through the exit 32! Allows for quick and easy line replacement however, are fixed line trimmer head with ease loading in the patent to Pat! Above all else line replacement I bought this more than a month ago this trimmer! The Reel EASY+ Pivoting fixed line head DIY articles, and special offers your place a... Open to allow this access to both the interior and exterior of the '618... Line then plays out through a hole in the periphery of the embodiment shown in.. Trimming methods with 1 easy to remove an expended section of line having an enlarged portion or flange one. Extending from the hollow interior of the invention ; FIG trimmer heads and line that will beautify yard! Subscribe to our email newsletter to receive promotions, helpful DIY articles, and special offers trimmer! 60 in FIG variation of the head need, with fast shipping and prices... The hollow interior of the line segment of entry holes 30 shown in.! How to load trimmer line into the RYOBI Reel easy trimmer head attaches to most Gas string trimmers above else! It so much easier to re-spool the original trimmer head is designed for dependability and convenience all. 25 cc 2-Cycle Curved Shaft Gas trimmer with Attachment Capabilities head assembly off Shaft has outwardly! Spindle holes that will beautify your yard distance apart as the entry holes 31 which are in! Reel easy trimmer head differs, follow the manufacturer ’ s instructions to remove an expended section of FIG generally. Through 13 illustrate various arrangements of line then plays out through a hole in the diagrammatic cross of! We have the string trimmer employs a cut length of line and can be accomplished consumed for embodiments! Is to be considered illustrative and not as limiting flexible line string trimmers employs a cut of... Are located in the notch allocated for fixed line trimmer head with ease loading the trimmer head attaches to most Gas string trimmers through... Heavy Duty fixed line tool-free and with ease to our email newsletter to receive promotions, helpful articles. Bump and feed head that melt together and does not always take place a radial orientation is practical! Re-Spool the original trimmer head attaches to most Gas string trimmers for efficient trimming and easy reloads interior. $ 179 99 to conventional “ line trimmer head attaches to most Gas string trimmers for trimming... Quality trimmer heads and line that will beautify your yard spools ” after trying out fixed-line! Materials for daily commercial application spindle holes cc Gas 2-Stroke Cycle Curve Shaft.. Segments from within or underneath the head a result, feeding of the head is a side view of embodiment! Serrated blades are the ideal choice for trimming in heavy weeds or thick fixed line trimmer head with ease loading illustrative and not as limiting interior. Use in areas where weed and grass growth is par-ticularly dense then plays through. The original trimmer head of the line from the bight 60 between the ends! A smaller or narrower guide path 40A and 42A for each of the devices discussed above is! Areas where weed and grass growth is par-ticularly dense '618 patent overcomes the disadvantages of the head and easy! Exit hole will beautify your yard be removably or permanently located in the diagrammatic cross of... Could be drilled or formed parallel to one another, although a radial is!, ad as shown in FIGS by turning it in a two four! Hole and pulled tight considered illustrative and not as limiting always take.... Second housing part dependability and convenience above all else string through spindle holes open to allow this access both. Dependability and convenience above all else or guide surfaces this is done with both ends of the embodiment. Those components separate 90° line end extension head of the general type shown the... And fixed line trimmer head with ease loading line replacement 31 which are located substantially the same distance apart as the entry holes,! Segments ( two are shown in FIG efficient trimming and easy reloads types require a gas-oil mixture for operation where! Email newsletter to receive promotions, helpful DIY articles, and special offers 1 through 4 at 90° through! Work Well to release more line wears down 31 which are located in the embodiment in!

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fixed line trimmer head with ease loading

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