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. 30, 1989
Filed:
Nov. 30, 1987
Applicant:
Inventors:
Nathalal G Patel, Elyria, OH (US);
Thomas J Tuckowski, Berea, OH (US);
Raymond J Herrmann, Westlake, OH (US);
Assignee:
Invacare Corporation, Elyria, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A45B / ;
U.S. Cl.
CPC ...
2803041 ; 2802501 ; 2802811 ; 403108 ; 297D / ;
Abstract
A collar or body portion (40) has an inner surface (42) that defines a circular bore (44) therethrough. A cam surface (46) is recessed into the collar portion from the circular bore. The collar is disposed with a tubular member (22) extending through the circular bore with a spring biased detent (30) engaging the cam surface. A series of upper plateaus or segments (60) and lower plateaus or segments (62) hold the detent against the cam surface as the collar is rotated. A handle portion (64) facilitates manually rotating the collar to depress or release the spring biased detent.