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:
May. 09, 2000
Filed:
Dec. 17, 1998
Gary A Farnsworth, Mesa, AZ (US);
AlliedSignal Inc., Morristown, NJ (US);
Abstract
A decoupling apparatus for disconnecting an engine starter from an engine includes a first rotatable decoupler shaft, having a first clutch jaw, coaxially mounted with respect to a second rotatable decoupler shaft having a second clutch jaw. The two shafts can translate relative to each other from a first position in which the first and second clutch jaws are engaged to a second position in which the jaws are disengaged. A torsional shear pin with a unitary shaft has a first end in contact with a resilient member and a second end attached to the first decoupler shaft, thereby urging the first and second decoupler shafts into the first position. The torsional shear pin is frangible in response to angular movement of the first decoupler shaft relative to the second decoupler shaft to release the axially compressive force, thereby permitting the first and second decoupler shafts to move into the second position.