Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7390243 | Sharpener for blades of food slicers A sharpener to sharpen the edge of a food slicer blade includes a non-planar abrasive surfaced rotatable disk mounted on a supporting structure. The supporting structure includes one or more surfaces designed to align with at least one of a push bar, thickness contr... | 06/24/2008 |
| 7320635 | Device for sharpening chain saw teeth A device for sharpening chain saw teeth, in particular a chain saw which is portable and applicable in the field, and where the chain is not to be taken off the chain saw blade when sharpened enables swinging of a grinding wheel (16) transversally to each too... | 01/22/2008 |
| 7278343 | Apparatus for lap seaming floor coverings The present invention pertains to an apparatus for continuously cutting different floor coverings to form a uniform seam between them. The apparatus is particularly suited for vinyl and linoleum tile floor coverings. The apparatus is secured to a floor at a referenc... | 10/09/2007 |
| 7258300 | Carrier element A mandrel is utilized to support a roll of material. The mandrel includes a retaining element, which can be placed on an inner circumference of a roll of material, and at least one carrier element which transmits a torque between the mandrel and the material roll. T... | 08/21/2007 |
| 7181848 | Multiple use rotary cutting device A multiple use rotary cutting device having an accessory cutting mechanism for use with prepackaged food products such as pizza. The rotary cutting device provides multiple functions which enhance the convenience of use. The device further minimizes the quantity of ... | 02/27/2007 |
| 7168172 | Saw A saw including a handle, a saw blade, a front protective bow and a rear protective bow pivotally connected with the front protective bow. When unfolding the saw blade, the saw blade presses the front protective bow and makes the front protective bow drive the rear ... | 01/30/2007 |
| 7140110 | Folding knife having a locking mechanism A folding knife is disclosed. The knife includes a handle; a blade having a tang pivotably connected to the handle allowing pivoting of the blade between a closed position in which the blade extends along the handle, and an open position in which the blade extends a... | 11/28/2006 |
| 7062858 | Hand tool and knife for deburring A hand tool for deburring is provided, as well as a cutting blade to be inserted into the tool, the tool comprising a housing, and a rotatable holding device, the holding device being positioned in and being rotatable in the housing and having a chamber for releasab... | 06/20/2006 |
| 5781998 | Sheath style folding knife A folding knife is provided which has a blade, a main handle and a tail handle. The tail handle is pivotably engaged to the main handle. When the knife is in a work configuration, a free end of the tail handle is swung to engage a blade end of the main ha... | 07/21/1998 |
| 5647129 | Folding knife A tri-fold knife is provided which has a blade having a tang and bifurcated handle. The handle has a main handle which has a forward end which is pivotably attached to the tang. The main handle terminates in a butt end. A tail handle is provided with a fo... | 07/15/1997 |
| 5438757 | Multifunction cutting tool A multifunction cutting tool includes a cutting head adjustable for straight, free form or circular cutting of glass and tile, interchangeably mountable hobby and hook blades for cutting carpet, PVC, matting and the like, a roller cutter for cutting cloth... | 08/08/1995 |
| 4506565 | Chain saw automatic sharpening method and assembly A mechanical drive assembly that is particularly useful for moving a sharpening stone into engagement with a sharpenable chain saw is mounted to the side plate of the chain saw housing. The stone moves linearly a predetermined stroke length toward and awa... | 03/26/1985 |
| 4502218 | Blade sharpener insert for knife scabbard A flexible knife scabbard has a blade-receiving elongated passage open at one end extending longitudinally therein and has a blade sharpening slot open at both ends extending laterally therethrough and transversely through the elongated passage. Knife bla... | 03/05/1985 |
| 4457069 | Sharpening device for a chain saw A sharpening device for a chain saw having an endless saw chain driven by a motor supported by a chain saw housing includes a housing adapted to be mounted to the chain saw housing spaced from the cutters. A grinding assembly having a grinding stone mount... | 07/03/1984 |
| 4442599 | Sharpener construction for fabric cutting machine A sharpener drive for the straight blade of a fabric cutting machine receives its motion from the crank wheel which drives the blade. A drive wheel, which selectively engages the crank wheel, drives a gear train which drives a gear mounted in splined rela... | 04/17/1984 |
| 4195404 | Cutting machine with an oscillating knife In a cutting machine of the type having a vertically reciprocating cutting blade, an internal grinder and a presser foot on a carrier bar, a lifting device responsive to operation of an actuating member for stopwise lifting the carrier bar to permit true ... | 04/01/1980 |
| 4152829 | Cloth cutter with sharpener and cloth contacting parts are teflon coated The invention relates to a cloth-cutting machine with a sword-knife, provided with a band sharpening device, an elastic hold-down and all the parts being in contact with the cloth sheet to be cut are coated with an anti-friction polytetrafluorethylene coa... | 05/08/1979 |
| 4104793 | Saw chain sharpener A support is provided and a rotary grinding head is journaled from the support for rotation about a first predetermined axis. A support arm is pivotally mounted at one end from the support for swinging of the support and support arm about a second axis su... | 08/08/1978 |
| 4062111 | Sharpener mounting structure and knife guard for circular knife type of cloth cutting machine A guard and sharpener construction for a rotary cutting machine having a base, a circular knife mounted on the base, a motor for driving the circular knife, a standard for mounting the motor above the base, an elongated slotted rod slidable to cover a seg... | 12/13/1977 |
| 4062253 | Chain saw sharpener A chain saw sharpener is provided for sharpening the teeth of a cutting chain during operation of the chain saw. The sharpening system includes a housing mounted in the chain saw engine shroud and projecting both interior of and exterior of that shroud. A... | 12/13/1977 |
