Core-engager retainer for an expansible shaft

Details Core-engager retainer for an expansible shaft Core-engager retainer for an expansible shaft

1983-04-14

1984-02-28

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 464, B65H 7524

Patent

active

044338147

ABSTRACT:
An expansible shaft in which an axially-movable cam forces a core engager radially outward into engagement with a surrounding core. A cam follower attached to the core engager slidingly engages a cam surface of the cam, a recessed slot is parallel to the cam surface, and one end of a cross-bore in the cam follower overlies and follows the slot as the cam follower slides along the cam surface. A second bore perpendicularly intersects the cross-bore. A first member is mounted in and forms a slip-fit with the cross-bore, a second member is mounted in the second bore, and the length of the first member is such that a portion of it projects into the slot when the second member is within the bore intersection, but the entire first member fits within the cross-bore when the second member is withdrawn from the bore intersection.

REFERENCES:
patent: 2345246 (1944-03-01), Elka
patent: 3331565 (1967-07-01), Gerritts
patent: 3430883 (1969-03-01), Charneski et al.
patent: 3934836 (1976-01-01), Dunlap et al.
patent: 4105172 (1978-08-01), Petros
patent: 4254920 (1981-03-01), Peterson

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