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. 23, 1976
Filed:
Dec. 12, 1974
Applicant:
Inventor:
Richard Edward Flagg, East Bridgewater, MA (US);
Assignee:
Double E Company, Inc., Brockton, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B / ; B65H / ;
U.S. Cl.
CPC ...
279 / ; 242 682 ; 242 721 ;
Abstract
A core chuck comprising radially movable exterior jaw members, means operative in response to a relative rotation between the jaw members and those means to apply a radially outward force to the jaw members, and biasing means for urging the jaw members toward a predetermined radial position. The biasing means comprise a band spring disposed in axially aligned recesses in surfaces of the jaw members, at least one of the recesses being provided with spring retainer means preventing removal of the spring from the recess in a radial direction.