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:
Mar. 01, 1988
Filed:
Feb. 09, 1987
Applicant:
Inventor:
Terry L Mitchell, Jenison, MI (US);
Assignee:
Quest Product Development, Ltd., Grand Rapids, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16M / ;
U.S. Cl.
CPC ...
2484061 ; 248411 ;
Abstract
A mechanical height adjustment apparatus having a tubular telescopic body portion powered by a spring-loaded nut on a tubular threaded shaft and in which the same spring means acts to close a friction clutch that is selectively releasable by lever means relatively displacing the clutch surfaces as desired.