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. 29, 1980
Filed:
May. 19, 1978
Charles H Herr, Jr, Peoria, IL (US);
Alan L McLees, Washington, IL (US);
Caterpillar Tractor Co., Peoria, IL (US);
Abstract
A test stand including a coupling for coupling a dynamometer to a drive sprocket of a vehicle to be tested and including a housing adapted to be rotated about an axis and having elongated guides in a plane generally transverse to the axis, at least two slides movably received in the guides, a screw shaft journalled for rotation in the housing and connected to the slides, the screw shaft being fixed against substantial longitudinal movement within the housing and, when rotated, effecting simultaneous movement of the slides towards or away from the axis, detents carried by the housing and engaging the screw shaft for holding the screw shaft against rotation, and a plurality of teeth, one for each slide, each mounted on an associated slide and extending therefrom in a direction generally parallel to the axis for receipt between the teeth of a sprocket.