The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 05, 1997
Filed:
Aug. 28, 1995
Takeo Fujiyama, Tokyo, JP;
Max Co., Ltd, Tokyo, JP;
Abstract
A switch-locking mechanism in a screw tightener in which a motor for rotating a driver bit is activated by pulling a trigger, includes: a mating projection provided on the trigger; a trigger block slidably accommodating the trigger in part such that the mating projection of the trigger is positioned in the trigger block, the trigger block being fixed to the screw tightener body; a first spring urging the trigger in a opposite direction to the trigger pulling direction at all times; and a slide locker operative in a direction perpendicular to the trigger pulling direction, the slide locker having a locking projection movable in and out the moving locus of the mating projection of the trigger.