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| Number | Title | Issue Date |
| 7431637 | Saw-setting machine for saw chain It is to provide a saw chain sharpener such that while a saw chain is clamped at both ends by a holding plate, which is supported forward of a handy type electric motor, so as to stabilize its sharpening posture, a grinding tool such as a round rod-shaped grinding t... | 10/07/2008 |
| 6334809 | Method and system for sharpening teeth on saw chains For users of chain saws it is known that the chain saw teeth should rather often be sharpened by filing in order to keep them well cutting. Traditionally, such a sharpening is effected by means of a straight filing rod moved in a reciprocal manner, but ac... | 01/01/2002 |
| 6161453 | Saw chain sharpener for a chain saw A saw chain sharpener for a chain saw and a chain saw having a sharpener in which the bottom surfaces of the cutting teeth of a conventional bottom sharpened saw chain are conveniently sharpened automatically by running the chain under power through the s... | 12/19/2000 |
| 6079295 | Chainsaw blade sharpener with stop A chainsaw blade sharpening system is provided including a clamping assembly adapted for being mounted to a recipient surface and adapted to clamp opposite sides of a chainsaw blade. Also included is a file mounting assembly fixed with respect to the clam... | 06/27/2000 |
| 5423234 | Saw file guide A guide which can be mounted to the teeth of a saw blade, for guiding a file used to sharpen the blade's teeth. The file guide comprises two spaced-apart, substantially parallel arms adapted to receive a saw blade therebetween. Each of the substantially p... | 06/13/1995 |
| 5241882 | Filing gauge for saw chains Filing gauge for sharpening of a saw chain with cutter (13) and depth gauge (14), comprising a housing (21) which can be located on the saw chain in two angular positions, two parallel shafts (26,27) fixed to the housing, two rollers (28,29) with guiding ... | 09/07/1993 |
| 5213207 | Chain saw file case A chain saw file case is arranged for the mounting and securement of a chain saw file to protect the relatively brittle file for maintaining its integrity and continued use. The case includes a cap threadedly securable within a base, with the cap and base... | 05/25/1993 |
| 5174173 | Round file holder for a chain saw sharpener An improved round file holder having guide rails along the edges thereof for use in conjunction with a chain saw filing guide for sharpening chain saws and having a pair of identical stringer secured together to support the files from the ends thereof and... | 12/29/1992 |
| 5107726 | Chain saw sharpener A chain saw sharpener including a base plate; a clamp affixed to the base plate for holding the bar of a chain saw in vertical orientation; a tubular guide member affixable on the base plate at a selected angle relative to the clamp and hence the chain sa... | 04/28/1992 |
| 4903552 | Guide for filing saw chain A sharpening guide for a file to be used in sharpening a chain saw chain. The guide a semi-cylindrical body is a close fit on a round file. There is a first support for the file at one end of the body. The support has an opening to receive the round file.... | 02/27/1990 |
| 4864897 | Chain saw sharpening tool A chain saw sharpening tool having a channel section which fits over a saw chain and cutter bar and has a file holder guide secured thereto for engaging a file holder and orienting it with respect to the saw chain during filing of the saw chain teeth for ... | 09/12/1989 |
| 4821608 | Chain saw sharpening guide A chain saw sharpening guide is comprised of a relatively thick rigid and rugged plate metal member which has a threaded bore to receive a micrometer-type height adjustment screw to give an accurate indication of the raker (also called depth gauge) tooth ... | 04/18/1989 |
| 4745827 | File guide for saw chain cutter teeth A filing guide for a saw chain having inner links with spaces therebetween, outer links and cutter teeth. The filing guide comprises a rigid body with a front edge shaped to abut against the inner links and a pair of spaced-apart elongated members extendi... | 05/24/1988 |
| 4738165 | Saw chain file guide A file guide for filing a depth gauge on a saw chain cutter having a cutting tooth with a cutting tip while the cutter is connected as a part of a continuous saw chain. The file guide is adapted to rest on the saw chain incorporating a plurality of cutter... | 04/19/1988 |
| 4727776 | Chain saw sharpening system A system for sharpening teeth on a saw chain includes both a motorized grinder and a separate gauge. The grinder includes a rotary grinding element and a height plate which is adjustable relative to the grinding element. The grinder may be used alone to s... | 03/01/1988 |
| 4719823 | Chain saw sharpening guide A sharpening guide for a chain saw with a vertical longitudinal channel which is placed on a saw chain and saw bar in a straddling position enabling the guide to move along the chain and bar while filing right hand and left hand cutters. The guide include... | 01/19/1988 |
| 4646589 | Chain saw sharpener aid A guide for aiding in sharpening a chain saw with a file which includes a magnet having an elongated rod extending outwardly therefrom at an angle corresponding to the desired angle that is to be sharpened on the cutting edge of a tooth of a chain saw. Th... | 03/03/1987 |
| 4594919 | Sharpening of chain saws Chain saw sharpening apparatus that incorporates a rotary file replaceably journaled in a guide structure, with the file coupled to or adapted to be coupled to an electric driving motor. The guide structure has finger or handgrip at one end remote from th... | 06/17/1986 |
| 4587868 | Filing device for chain saw chain depth gauges A device for controlling filing of a depth gauge of a saw chain has an elongated file holder with a center portion having clips for holding a file. The filing surface of the file faces outwardly from the holder. The file holder has a flat surface facing o... | 05/13/1986 |
| 4567792 | Saw chain sharpening device A device for sharpening saw chains while the saw chain is mounted on a chain saw cutting bar. The saw chain sharpening device is designed for use by a chain saw operator at the job site. The device comprises a frame configured to be straddle mounted over ... | 02/04/1986 |
| 4535654 | Chain saw sharpening guide A visual guide for sharpening chain saw teeth. Magnetic material is affixed to one leg of an elongated member having an L-shaped cross section. The magnetic material is affixed to the external portion of the leg such that when the device is magnetically a... | 08/20/1985 |
| 4473958 | Filing guide A filing guide for saw chain which includes a plate having a flat expanse joining with a curved expanse at the forward end of the guide which forms a cylinder. The guide is useable, with one side facing upwardly and the cylinder seated in a pocket defined... | 10/02/1984 |
| 4440045 | Chain saw sharpener A chain saw sharpener, having a fixture comprising a generally inverted U-shaped frame and a sharpening tool guide attached to a support bracket extending from the frame, which sharpening tool guide receives and guides a sharpening tool for use in sharpen... | 04/03/1984 |
| 4438667 | Sharpening device for a chain saw A sharpening device for supporting a file for sharpening the cutting elements of a chain saw. The device includes a base portion that is removably secured to the chain bar of the chain saw, and a top guide portion slidably mounted on the base portion and ... | 03/27/1984 |
| 4435999 | Saw sharpening guide A sharpening guide for use with a chain saw comprising a support member adapted to rest upon the teeth of a chain in a straddling relationship thereto and having a dependent portion which will extend downwardly in a side by side relationship with the chai... | 03/13/1984 |
| 4429596 | Rotary steel filing apparatus for sharpening saw chains An apparatus for use in combination with a specialized rotary steel file for enabling the sharpening of saw chains that includes an inverted channel-shaped body for accommodating a chain saw bar and saw chain therein. Adjustable chain centering elements s... | 02/07/1984 |
| 4412463 | Chain saw sharpening guide A chain saw sharpening guide manually held in position on the saw chain comprising a support plate (11) carrying grooved rollers (13, 13a) mounted on brackets (12, 12a) depending from the plate (11). The rollers (13, 13a) are grooved (15, 15a) to receive ... | 11/01/1983 |
| 4404871 | Portable chain saw sharpening kit with cutting link alignment means and method for using same A portable chain saw sharpening kit comprises a sharpener body in the form of an inverted U-shaped channel-defining member adapted to be placed over the bar of a chain saw, a rotary burr with a tapered abradant end portion which is receivable in a selecte... | 09/20/1983 |
| 4404872 | Portable chain saw sharpening kit with depth gauge filing attachment and method of using same An attachment is provided for allowing a chain saw sharpener to be used for filing the depth gauge portions of the cutting links on the saw chain. The sharpener is of the type comprising a sharpener body in the form of an inverted U-shaped channel-definin... | 09/20/1983 |
| 4375173 | Saw chain holding device A device for holding a saw chain during sharpening of the chain cutters which prevents wobble by gripping both the cutter train and the drive train of the saw chain.... | 03/01/1983 |
| 4327605 | Manual sharpener for teeth of chain saws A sharpener for manual sharpening of the cutting teeth of saw chains for chain saws having a depth limiter disposed in front of the cutter in the cutting direction for controlling the depth of the cut. The cutter is defined by the line passing through a f... | 05/04/1982 |
| 4248412 | Support for sharpening chain saws at the work site A support for sharpening chain saws is disclosed consisting of an L-shaped member having a threaded spike adapted to be screwed into the cut surface of a tree trunk. The horizontal arm of the member is provided with clamping means to hold fast the blade o... | 02/03/1981 |
| 4228702 | File guide for use in sharpening a chain saw A file guide for use in sharpening a chain saw having a bar, a chain around the periphery of the bar, and a plurality of teeth secured at intervals along the chain, each tooth having a cutting edge at one end thereof constituting its forward end. The file... | 10/21/1980 |
| 4177697 | Apparatus for sharpening a chain saw A portable apparatus useable with a rod file to sharpen the teeth of a chain saw. The apparatus has a base that clamps onto the blade of the saw. A chain holding finger mounted on a support carried by the base fixes the position of the tooth to be sharpen... | 12/11/1979 |
| 4173908 | Saw chain sharpening fixture A saw chain sharpening fixture is disclosed featuring an inverted U-shaped frame adapted to be installed on a cutter bar of a chain saw and having a sharpening opening in a frame. A pair of sharpening tool adaptor guides are mounted on sidewalls of the fr... | 11/13/1979 |
| 4023445 | Sheet metal file guide A flat sheet metal plate defining a reference plane on one side. Said plate having first and second sections and an intermediate section. The first and second sections being flat and in a common plane, and the intermediate section formed into a semi-circu... | 05/17/1977 |
| 4012969 | Adjustable chainsaw file guide and holder An adjustable chainsaw file guide and holder comprised of a frame formed of stamped sheet metal including a V-shaped guide surface portion and a handle portion, two clamping members slidably engaged with and adjustable along the guide surface portion of t... | 03/22/1977 |
| 4010661 | Chain saw sharpening tool A hand-held guide for use in combination with a file for sharpening chain saw cutting teeth, the guide holding said file in axial compression to permit mounting of said file at the axial extremes thereof and to facilitate rotation of said file relative sa... | 03/08/1977 |
| 3942255 | Chain saw filing guide A filing guide for a chain saw which defines a longitudinal slot therethrough for the chain and at least one transverse slot is defined through the guide and channel for a file to be used on the teeth. Legs of the guide defining the chain channel are uneq... | 03/09/1976 |
