Joints and connections – With adjunctive protector – broken parts retainer – repair,... – Means to lock bolt or nut when other is turned
Patent
1996-08-26
1998-02-10
Dorner, Kenneth J.
Joints and connections
With adjunctive protector, broken parts retainer, repair,...
Means to lock bolt or nut when other is turned
403353, F16B 100
Patent
active
057161542
ABSTRACT:
First and second members are attached together by an attachment device which includes a key hole shaped slot provided in the first member and having an enlarged entry portion communicating with a narrow slot portion. An aperture is provided in the second member and a bolt having a threaded shank and an enlarged head is press fit part way into the aperture of the second member so that the enlarged head is spaced somewhat longitudinally away from engaging the second member. The second member is hung on the first member by inserting the enlarged head of the bolt through the entry portion of the key hole shaped slot and then sliding the second member laterally of the first member so that the shank enters the narrower slot portion. A nut, is threaded on to the threaded shank and tightened so that the press fit of the shank of the bolt is forcibly pulled further through the aperture of the second member and the enlarged head of the bolt is drawn tightly against the first member to securely attach together the first and second members. The shank of the bolt preferably has splines thereon by which the press fit of the shank into the aperture resists rotation of the bolt shank and promotes axial movement of the bolt shank through the aperture during tightening of the nut. In addition, the nut preferably has an unthreaded bore portion which is larger than the splines of the shank so that the nut may be fully threaded on to the bolt without the splines interfering with the threads of the nut.
REFERENCES:
patent: Re31106 (1982-12-01), Pufpaff et al.
patent: 397708 (1889-02-01), Fernau
patent: 2628372 (1953-02-01), Metzger
patent: 3238581 (1966-03-01), Sawyer
patent: 3966296 (1976-06-01), Ericson
patent: 4303267 (1981-12-01), Haberie et al.
patent: 5158390 (1992-10-01), Ito et al.
Hoptry David Allen
Miller Marvin Herbert
Dorner Kenneth J.
General Motors Corporation
Leahy Charles E.
Miller William L.
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