Core locking device

Details Core locking device Core locking device

1976-03-22

1978-09-19

Culver, Horace M.

Chucks or sockets

With fluid-pressure actuator

Socket type

279 2A, 242 72B, B23B 3140

Patent

active

041149092

ABSTRACT:
An expandable device for locking an annular core to a shaft for rotation therewith in which an annular body mounts on the shaft and carries a plurality of radially movable bars overlying a single-wall annular bladder lying against the surface of the body. The bars are positioned side by side around the circumference of the body and are interconnected by linking members to limit radial movement. An annular notched band is secured to the body of each end of the bars and engages recesses therein to transmit torque between the bars and the body. Pressurized air is introduced between the bladder and the surface of the body to force the bars radially outward to grip the core.

REFERENCES:
patent: 2583117 (1952-01-01), Piperoux et al.
patent: 3032288 (1962-05-01), Tidland
patent: 3741571 (1973-06-01), Prazak
patent: 3904144 (1975-09-01), Gattrugeri

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