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:
Apr. 07, 1992
Filed:
Apr. 04, 1990
Andreas Braun, Wendlingen, DE;
Heinz Deuschle, Oberboihingen, DE;
Metabowerke GmbH & Co., Nurtingen, DE;
Abstract
A device for driving a screwdriver spindle has a claw clutch and an over-detent clutch. The two clutches are arranged coaxially to each other and have coupling parts which are displaceable in an axial direction. Upon a first response of the over-detent clutch, the claw clutch is disengaged, a correspondingly axially displaceable coupling part of the claw clutch is then locked in a disengaged position by a disengageable safety which is simply a radially elastically expandable clamping sleeve which is connected to the claw-clutch and has a detent projection which protrudes radially inward. The screwdriver spindle on which the clamping sleeve is arranged has two circumferential grooves for engagement of the detent projection, the axial center-to-center distance of which is greater than the coupling stroke of the claw clutch.