Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 7328513 | Cutter having changeable carrier A cutter includes a lever having a handle on one end and a fixed jaw on the other end and having one or more catches extended from the fixed jaw and having a groove formed in the fixed jaw, a cutter device is pivotally attached to the lever and has a cutter blade mo... | 02/12/2008 |
| 7047853 | Shears A shearing tool has a fulcrum shaft, a first blade rigidly attached to the fulcrum shaft, a first element also rigidly attached to the fulcrum shaft and spaced apart on the shaft from the first blade, and a second blade contiguous with a second element, the second b... | 05/23/2006 |
| 7003885 | Wire nipper A wire cutter having a handle, a fixed cutting blade mounted on the handle, a lever pivotally connected to the handle, and a stop on the lever for engagement with the fixed cutting blade is disclosed. ... | 02/28/2006 |
| 6944953 | Corner cutter A cutting tool provides a device for cutting a plate glass corner. The structure includes upper and lower blades which are opened and closed to cut the plate glass. The upper and lower blade edge lines mutually oppose each other to form a cutter body having a scisso... | 09/20/2005 |
| 6772520 | Pruning shears A pair of pruning shears includes a first handle, a blade seat, a blade, a second handle, a connecting member, and a spring. Thus, the spring mounted between the first handle and the second handle is disposed at an oblique state, thereby decreasing the pressing forc... | 08/10/2004 |
| 6513248 | Power lever cutting device A pruner has a first elongated member and a second elongated member coupled to a metal plate. The metal plate has a central aperture, a forwardly extending blade and a rearwardly extending tang having a second aperture offset from the central aperture. A ... | 02/04/2003 |
| 6332274 | Hand tool having pivoted handles A toggle-link type hand tool is provided that includes pivotally interconnected elements having workpiece engaging members and a pair of handles each operatively connected to a respective one of the pivotally interconnected elements, and a toggle-link ope... | 12/25/2001 |
| 6314647 | One-handed branch-cutting device Finger-actuated device for cutting slender articles at a distance, including a first end including an anvil and a cutting edge articulated about a common axis and arranged to temporarily accept a slender article therebetween, a second end including a hand... | 11/13/2001 |
| 6098291 | Pipe cutter A pipe cutter includes a first handle and a second handle with a pivotable blade connected thereto which has teeth defined in a lateral side thereof. The second handle has a fixed jaw extending laterally therefrom to which the first handle is pivotally co... | 08/08/2000 |
| 6000307 | Utility cutting tool and method A method of cutting is described, utilizing a specialized utility cutting tool. The tool has a fixed jaw, a movable handle, a blade, and a connecting link. The blade is inserted into a channel formed in the fixed jaw for stability, and is pivotally connec... | 12/14/1999 |
| 5771584 | Shear with link interconnected handles A shear device includes a hand grip and a handle pivotally coupled together. A bar has one end pivotally coupled to the handle. A cutter blade has a middle portion pivotally coupled to the hand grip and has a pin secured to one end. A lever has one end pi... | 06/30/1998 |
| 5615541 | Weeder A weeder which a user can use in a standing posture, comprises an operating shaft having a longitudinal bore and a grip provided at an upper end thereof, the operating shaft having a length long enough to allow the user to operate the operating shaft in t... | 04/01/1997 |
| 5566453 | Nippers for gardening A pair of shears comprises a driving blade, a follower blade and a pair of grips. The tang of the follower blade connects the front end of a grip. The rear end of the driving blade connects a link which connects the driving grip. The middle portion of the... | 10/22/1996 |
| 5469625 | Compound action hand pruner A hand pruner including a first handle and a second handle pivotally connected to said first handle, a first cutting blade secured to said second handle, a second cutting blade pivotally connected to said second handle for movement into engagement with sa... | 11/28/1995 |
| 5245755 | Force-multiplying mechanism A force-multiplying device includes a base or stationary structure and three levers all pivotally mounted on the base and each having a force input end and a force output end and being arranged in a folded configuration such that each lever extends from t... | 09/21/1993 |
| 4891883 | Pliers The invention relates to a pair of surgical pliers for the cutting through of wires (14), screws or the like comprising a cutter gripping lever (1) having a cutting edge (15) at its front end and a handle (13) at its rear end, and a cutting lever (2) pivo... | 01/09/1990 |
| 4462403 | Single action forceps for bone surgery An instrument for holding and chipping a bond has a pair of elongated curved handles spaced apart at one end, and pivotally connected at other ends to ends of flat elongated jaws. Central portions of the jaws are pivotally connected together. Outer ends o... | 07/31/1984 |
| 4346518 | Shock absorber removing tool A pair of elongated levers are pivotally interconnected at a first pair of corresponding ends for relative oscillation and one of the first ends of the levers includes a lateral projection having a flattened terminus on its free end defining an abutment s... | 08/31/1982 |
| 4277887 | Conduit cutting apparatus A device for transversely shearing a conduit including a first handle having a recessed conduit-receiving jaw at one end thereof, a shearing blade pivotally mounted on said first handle at the location for pivoting toward and away from said jaw, and inclu... | 07/14/1981 |
