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. 03, 1984
Filed:
Nov. 16, 1981
Aleck Block, Los Angeles, CA (US);
Hiroshi Hasegawa, Whittier, CA (US);
Merit Abrasive Products, Inc., Compton, CA (US);
Abstract
A holder for supporting an abrasive disc having a centrally located nut member and with the nut member including a flange portion located adjacent the disc and a thread portion extending from the flange portion, the holder including a central metallic member, a stud member extending through the central metallic member and including a threaded end portion, a flexible pad portion supported by and extending radially outwardly from the central metallic member to support the abrasive disc, a stop member composed of a low friction plastic material and with a first portion of the stop member disposed around and spaced from the threaded end portion of the stud member and with a second portion of the stop member located adjacent to the central metallic member and with the stop member captured in position for free rotation relative to the central metallic member and the stud member when the holder is not-supporting the abrasive disc, and the threaded end portion of the stud member for receiving the threaded portion of the nut member of the abrasive disc to thread the abrasive disc onto the holder and with the second portion of the stop member for abutting the flange portion of the nut member to compress the stop member to abut the central metallic member as the abrasive disc is threaded onto the holder.