Title: Bolt and process of forming same

Abstract: An auxiliary head with a peripheral wrench surface is secured on a body member of a type having a threaded shank, a head, and lateral projecting means adjacent the bottom of the head which extend out beyond the outer dimension of the threads on the shank. Such auxiliary head has an axial opening which is larger than the threaded shank so as to receive the latter but is dimensioned at least in some portions thereof relative to the projecting dimension of the lateral projecting means such that securement of the two parts is accomplished by forcing the auxiliary head up against the bottom of the head of the body member onto the lateral projecting means in a press fit or in a broached connection.

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Inventors: Bright, William L. (Portland, OR, US)

Application Number: 581879
Filing Date: 1975-05-29
Publication_date: 1976-09-07
Assignee:
Primary Class(es): 411/397 470/11
Other Classes:
US Patent Ref:

469261	Feb, 1892	Moran	10/27.
1346058	Jul, 1920	Robergel	10/27.
1435586	Nov, 1922	Collette	10/27.
1742201	Jan, 1930	Drissner	10/27.
1765516	Jun, 1930	Whitney	10/27.
3517402	Jun, 1970	Cohen	10/27.
3783462	Jan, 1974	Steffan	10/27.
3828382	Aug, 1974	Nakamura	10/27.

Other Refs: 156,467674,886857,149

Jan, 1903	DT
Apr, 1939	DT
Jul, 1949	DT

Primary Examiner: Lanham, C.W.
Assistant Examiner: Combs, E. M.
Attorney: Eckelman; Eugene M.