Class 81/93 - Nut or screw fulcrum

Subclass of Class 81 - Tools
Definition: The inner jaw rocks or swings upon a nut or screw as its
No. of patents: 4
Last issue date: 05/06/2008

Number	Title	Issue Date
7367979	Screwdriver A scissor-action screwdriver and screwdriver attachment comprises a plurality of arms pivotally attached to one another; a bias element mounted in at least one of the plurality of arms; and a sleeve slidably mounted around at least one of the plurality of arms, wher...	05/06/2008
7104162	Device for unfastening pipe fasteners An unfastening device for unfastening pipe fasteners includes a base and a first clamp plate extends from a top of an end of the base. A movable member is slidably mounted to the base and movable between the two ends of the base. A second clamp plate and a third cla...	09/12/2006
7013771	Detachment tool for pipe clamping strap A detachment tool for a pipe clamping strap detachment tool includes a support seat, a fixed jaw, a movable member including a base plate and a movable jaw, and a threaded rod. Thus, the two ear plates of the pipe clamping strap are supported by the fixed jaw and th...	03/21/2006
5946988	Tool for driving pedicle screws A tool for driving pedicle screws into vertebrae of the human spine has a shaft preferably with a handle at one end and, at the opposite end, a holder for receiving a preferably ring-shaped head which is flattened on opposite sides. The tool has a first c...	09/07/1999

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