Chain saw bar straightener

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Description

FIG. 1 is a top left front perspective view of a chain saw bar straightener showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a right side elevational view, the left being a mirror image thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D154001 May 1949 Vogl
D164143 July 1951 Vogl
D164687 October 1951 Ingwer et al.
D175105 July 1955 Ewing et al.
382467 May 1888 Andrews
997243 July 1911 Daley
1288817 December 1918 Bolliger
1488559 April 1924 Simokaitis
1946426 February 1934 Kennedy
4043547 August 23, 1977 Glomb et al.
4503735 March 12, 1985 Jackson
4593892 June 10, 1986 Terstegge
Other references
  • Flexbar, 9/1985, p. 54, vise top right, on file in tool ref. boxes. Flexbar, 9/1985, p. 55, 3 vises, 2 at top and 1 center right, on file in tool ref. boxes.
Patent History
Patent number: D316023
Type: Grant
Filed: Jan 15, 1988
Date of Patent: Apr 9, 1991
Inventor: Samuel A. Librande (Hayden Lake, ID)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Gary D. Watson
Law Firm: Wells, St. John & Roberts
Application Number: 7/144,865
Classifications
Current U.S. Class: D 8/71; D 8/74