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Power tool and method of assembling parts using a two-part separable washer
   
Document Number
US Patent 7003862
Issued Date
February 28, 2006
Link
Inventors
Junkers; John K. (Saddle River, NJ)
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Abstract
A washer has a body having an axis and provided with a first bearing face surface located at one axial side and adapted to cooperate with a nut, a second bearing face surface located at an opposite axial side and adapted to cooperate with an object, at least one third turning resistant surface adapted to cooperate with a thread of the bolt, the body having at least one resistive point arranged so that when the nut is turned and turns the bolt the body of the washer stops the bolt from turning and thereby the nut creates a pull on the bolt which elongates the bolt in an axial direction and applies to the body of the washer an axial force which overcomes the at least one resistive point so that a portion of the body of the washer is allowed to be pulled axially when the bolt elongates. Also, a fastener with the washer is provided, as well as a method of and a tool for fastening objects with the use of the washer.
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Number of Claims:
2
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Owner
Published
February 28, 2006
Application Number
10/973,691
Filed
October 26, 2004
US Classification
29/452   29/456 29/525.02
Int'l Classification
B21D   39/00   (20060101)  
Examiner
Attorney/Law Firm
Parent Case
CROSS-REFERENCE TO A RELATED APPLICATION This application is a divisional of U.S. patent application Ser. No. 10/691,831, filed Oct. 23, 2003, which is a continuation-in-part of Ser. No. 10/427,103, filed Apr. 30, 2003, now U.S. Pat. No. 6,929,439, which is a divisional of Ser. No. 10/010,377, filed Dec. 6, 2001, now U.S. Pat. No. 6,609,868. Ser. No. 10/691,831 is also a continuation-in-part of Ser. No. 10/120,343, filed Apr. 11, 2002, now U.S. Pat. No. 6,883,401, and a continuation-in-part of Ser. No. 10/112,101, filed Mar. 29, 2002.
USPTO Field of Search
29/407.02   29/407.03   29/525.02   29/525.11   29/418   29/452   29/456  
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