Lockable rotary attachment device

Details Lockable rotary attachment device Lockable rotary attachment device

1988-08-17

1989-07-18

Smith, Gary L.

Locks

Special application

For control and machine elements

70223, 70258, 224315, F16B 4100

Patent

active

048481122

ABSTRACT:
A lockable rotary attachment device including an axially threaded attachment member having an externally splined drive head and a flange defining oppositely facing annular shoulders, and a knob mounted for axial translation on the attachment member between first and second axial positions on the attachment member. The knob is freely rotatable relative to the attachment member in the first axial position and has an internally splined socket for non-rotatably receiving the drive head when in the second axial position. A lock is mounted on the knob for moving a latch member between a first latch position in which it is disposed outwardly of the flange on the attachment member to allow axial translation of the knob between the first and second axial positions, and a second latch position disposed radially inwardly of the flange for engagement with the first shoulder when the knob is in its first axial position and for engagement with the second shoulder when the knob is in its second axial position.

REFERENCES:
patent: 1252567 (1918-01-01), Hancock et al.
patent: 1608593 (1926-11-01), Gillett
patent: 1629015 (1927-05-01), Axelson
patent: 1786201 (1930-12-01), Fishback
patent: 1875734 (1932-09-01), Hurd
patent: 1970660 (1934-08-01), La Fever
patent: 2143925 (1939-01-01), Schlitters et al.
patent: 2534446 (1950-12-01), Howard
patent: 3796074 (1974-03-01), Vik
patent: 4336698 (1982-06-01), Hurd
patent: 4441344 (1984-04-01), Kupershoek
patent: 4747528 (1988-05-01), Kamaya

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