Quarter turn industrial fastener

Details Quarter turn industrial fastener Quarter turn industrial fastener

1981-07-06

1982-12-21

Shedd, Wayne L.

Joints and connections

Interfitted members

Assembled by plural manipulations of member

403146, 403162, B25G 300, F16D 100

Patent

active

RE0311065

ABSTRACT:
An industrial fastener, which may be secured or released by a one-quarter turn, includes a rotatable bolt. The bolt has a cam face on the underside of its head, a shank having opposite flats and a screw threaded end portion. A turning means, such as a handle member, slides on the bolt and has matching opposite flats to turn the bolt. The fastener also includes a spring which detents the handle member and an adjustable nut.

REFERENCES:
patent: 2360626 (1944-10-01), Weiser
patent: 2809856 (1957-10-01), Alexander
patent: 3017217 (1962-01-01), Keating
patent: 3398496 (1968-08-01), Mischke
patent: 3879906 (1975-04-01), Hollenberg
patent: 3966340 (1976-06-01), Morris
patent: 3986780 (1976-10-01), Nivet
patent: 4014195 (1977-03-01), Grogan
patent: 4026183 (1977-05-01), Bart
patent: 4035097 (1977-07-01), Bachand
patent: 4129395 (1978-12-01), Theurer et al.
patent: 4135694 (1979-01-01), Stegenga
patent: 4138838 (1979-02-01), Long
patent: 4212560 (1980-07-01), Pufpaff et al.

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