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Document Number
US Patent 6588306
Issued Date
July 8, 2003
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Inventors
Grossman; Vitaly (West Bloomfield, MI)
Close; Richard A. (Farmington Hills, MI)
Cross; Robert D (Sterling Hts., MI)
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Abstract
A deformable wrench for applying torque to a nut engaging a threaded fastener includes a wrench body having a center portion with at least one wing portion extending therefrom. The wrench body is formed from an elastic material and a socket aperture extends through the central portion between spaced upper and lower surfaces thereof. The socket aperture is configured to cooperate with the profile of the nut to permit rotation relative to the fastener by applying force to the wing portion of the wrench. At a predetermined torque value, the walls of the socket aperture deform to permit rotation of the wrench relative to the nut thereby preventing over-torquing the nut on the fastener.
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Number of Claims:
6
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Owner
Published
July 8, 2003
Application Number
10/015,451
Filed
December 13, 2001
US Classification
81/467   411/427 81/124.3
Int'l Classification
B25B   23/142   (20060101)   B25B   23/14   (20060101)  
Examiner
Attorney/Law Firm
USPTO Field of Search
81/467   81/64   81/124.3   81/124.7   411/427   411/429   411/533   411/432  
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Description
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