Cutting – Rotatable disc tool pair or tool and carrier – Tool element mounted for adjustment
Patent
1980-07-30
1982-03-23
Yost, Frank T.
Cutting
Rotatable disc tool pair or tool and carrier
Tool element mounted for adjustment
83499, 83504, 744248R, 192 483, B23D 1900
Patent
active
043206778
ABSTRACT:
A driving system of the type wherein a driving screw shaft is used and one or more units can be selectively moved along the shaft is disclosed. The driving system comprises a driving screw shaft extending through the slide base of a unit to be driven and provided at its periphery with a slide key way extending in the direction of the longitudinal axis of the shaft, a driving source for rotating the screw shaft, a female screw meshed with the screw shaft and provided in the slide base of the unit for rotation with respect to the slide base, a first clutch provided between the slide base and the female screw for coupling and decoupling the slide base and the female screw, a second clutch provided around the screw shaft for rotation together with the screw shaft with respect to the slide base and movable in the direction in which the slide key way extends, the second clutch being able to be coupled with and be decoupled from the female screw, and a controller for controlling actuations of the first and second clutches.
REFERENCES:
patent: 2205989 (1940-06-01), Meyers et al.
patent: 3886833 (1975-06-01), Gunn et al.
patent: 4077291 (1978-05-01), Obenshain
patent: 4211135 (1980-07-01), Wehde
patent: 4269097 (1981-05-01), Linn
Olszewski Robert P.
Yost Frank T.
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