Crank for use with semi-trailers

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Description

FIG. 1 is a perspective view of the crank for use with semi-trailers embodying the design of the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof, the side opposite being a mirror image of the side shown in FIG. 4;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D134399 November 1942 Lewis
D151719 November 1948 Ruger
2302954 November 1942 Priest et al.
2543151 February 1951 Cerniak
3091978 June 1963 Rubinstein
3431795 March 1969 Atkinson
Other references
  • Sears, powered hand tools, (Jan. 31, 1990), p. 26, Speeder wrench, "14".
Patent History
Patent number: D345288
Type: Grant
Filed: Jan 28, 1992
Date of Patent: Mar 22, 1994
Inventors: Timothy A. Hubal (Mary Esther, FL), Theresa Hubal (Byesville, OH)
Primary Examiner: Kay H. Chin
Attorney: Terry M. Gernstein
Application Number: 7/827,828
Classifications
Current U.S. Class: D 8/59; D/8107; Element Or Attachment (13) (D12/106); Jack Or Jackstand (D34/31)