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:
Jun. 03, 1986
Filed:
Mar. 25, 1983
Murray R Mason, Kent Bridge, CA;
Canadian Fram Limited, Ontario, CA;
Abstract
A two speed drive comprising: a driving member; a rotatable driven member coaxially positioned relative to the driving member; a planetary gear system rotatable with the driving member and with the driven member for providing in one condition a non-reducing speed drive and for providing in a second condition a speed reducing drive therebetween, the gear system including a sun gear drivingly engaging the driving member, a ring gear mounted for rotation about said driving member, and a plurality of planetary gears interconnecting the sun gear and the ring gear, the driven member attached to and carried with the planetary gears; and a electromagnetic clutch, operable in a first mode for simultaneously driving the sun gear and the ring gear in the one condition to establish a non-reducing speed drive and operable in a second mode to rotationally lock the ring gear for driving the driven member through the sun gear and the planetary gears at a speed less than the speed of the driving member.