Broken bolt extractor

- Alden Corporation
Description

FIG. 1 is a perspective view of the broken bolt extractor showing my new design;

FIG. 2 is an exploded view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a side elevational view thereof.

Referenced Cited
U.S. Patent Documents
216023 June 1879 Crane
D307697 May 8, 1990 Geckle
1458076 June 1923 Potts
2694328 November 1954 Frenjere
2923335 February 1960 Joyce
3289290 December 1966 Sandor
4563922 January 14, 1986 Wheeler
Other references
  • Severance Tools, Dec. 1967, Stop-Countersink Cutters.
Patent History
Patent number: D329786
Type: Grant
Filed: Oct 11, 1989
Date of Patent: Sep 29, 1992
Assignee: Alden Corporation (Wolcott, CT)
Inventor: Eli Polonsky (Aurora, CO)
Primary Examiner: Bernard Ansher
Assistant Examiner: Philip Hyder
Attorney: Dallett Hoopes
Application Number: 7/419,835
Classifications
Current U.S. Class: D 8/14