Positive retracting mechanical expansible shaft

Details Positive retracting mechanical expansible shaft Positive retracting mechanical expansible shaft

1983-02-28

1985-01-08

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 464, B65H 7524, B65H 5454

Patent

active

044923465

ABSTRACT:
An expansible shaft in which a screw that is rotationally and axially movable relative to the housing is rotatably connected to the operating rod so that clockwise screw rotation moves the rod axially in one direction and counterclockwise screw rotation moves the rod axially in the opposite direction.

REFERENCES:
patent: 2345246 (1944-03-01), Elka
patent: 2718103 (1955-09-01), Wagner
patent: 3331565 (1967-07-01), Gerritts
patent: 3645465 (1972-02-01), Peery
patent: 3833179 (1974-09-01), Maurer
patent: 4105172 (1978-08-01), Petros
patent: 4244534 (1981-01-01), Rennebaum et al.
patent: 4254920 (1981-03-01), Peterson

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