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:
Nov. 17, 1992
Filed:
Apr. 29, 1991
Vladimir Radev, Bristol, VA (US);
Simmons-Rand Company, Bristol, VA (US);
Abstract
A battery changing system for electric battery-powered vehicles, particularly for electric battery-powered underground mining vehicles having a main frame and a battery support attached to the main frame, and using several exchangeable batteries, the battery changing system comprising a bellcrank for connecting the battery support with the main frame, a first pin for mounting pivotably the bellcrank to the main frame, a second pin for mounting pivotably the battery support to the bellcrank, an eyebar link for connecting the battery support to the main frame in parallel with the bellcrank, a third pin for connecting pivotably the eyebar link to the main frame, a fourth pin for connecting pivotably the battery support to the eyebar link, and a hydraulic cylinder for pivoting the bellcrank around the first pin.