Bolt tensioner

Description

FIG. 1 is an exploded view of a bolt tensioner showing my new design;

FIG. 2 is a perspective elevated view of my bolt tensioner in assembled form;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective elevated view of an alternate embodiment of my new design;

FIG. 7 is a top plan view thereof;

FIG. 8 is a side plan view thereof;

FIG. 9 is a bottom plan view thereof;

FIG. 10 is a perspective view of a second alternate embodiment of my new design;

FIG. 11 is a top plan view thereof;

FIG. 12 is a side plan view thereof; and,

FIG. 13 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D223747 June 1972 Shinjo
2653450 September 1953 Fort
2892340 June 1959 Fort
4708036 November 24, 1987 Vossbrinck
5139381 August 18, 1992 Lubreski et al.
5190423 March 2, 1993 Ewing
Other references
  • Design News; Special Nuts; Mar. 1958; p. 46. Design News; Machine Products Company; Mar. 1962; p. 32. Design News; Special Nuts; Mar. 3, 1958.
Patent History
Patent number: D364882
Type: Grant
Filed: Jun 23, 1994
Date of Patent: Dec 5, 1995
Inventor: John K. Junkers (Saddle River, NJ)
Primary Examiner: Antoine Duval Davis
Attorney: Michael J. Striker
Application Number: 0/24,947
Classifications
Current U.S. Class: Miscellaneous (D15/199); D/8397