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:
Sep. 05, 1978
Applicant:
Inventor:
Ralph L Ryan, East Hanover, NJ (US);
Assignee:
JRC Products Inc., Boonton, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B / ;
U.S. Cl.
CPC ...
279 / ; 242 / ; 269 481 ; 279 / ;
Abstract
An expandable device for locking an annular member to a shaft for rotation therewith in which an annular body mounts on the shaft and carries a plurality of radially moveable bars overlying a single wall annular bladder lying against the surface of the body. The surface of the body is formed with annular raised ridges beneath each end of the bladder. A metal band formed with interlocking ends is secured around each end of the bladder to seal the ends of the bladder to the body.