Arrangement for the attachment of a body to a support

Details Arrangement for the attachment of a body to a support Arrangement for the attachment of a body to a support

1975-05-07

1976-06-29

Wilhite, Billy J.

Presses

With alarm, signal, indicator, or test means

72446, 83698, 100DIG18, 403321, B30B 1500

Patent

active

039658139

ABSTRACT:
An apparatus for clamping a body to a support in which the body is provided with a slot through which the clamping member can extend includes a clamping member having a shaft with threads at one end and a T-head at the other end, a support having a recess in one face to receive the T-head and an opening through which the clamping member shaft extends and a threaded member coupled to the threaded end of the clamping member, the threaded member being rotatable to axially move the clamping member. A first drive motor is provided to rotate the threaded member to extend the clamping T-head beyond the surface of the support. A second drive motor is provided to rotate the clamping member to a clamping position and to a releasing position. A source of power such as fluid under pressure is provided, the motors being hydraulic. A control apparatus selectively controls the application of fluid pressure to the first and second drive motors to sequentially apply power to the second drive motor and then to the first drive motor when a body is being clamped to a support and to simultaneously to apply power to both of the first and second drive motors when the body is being released.

REFERENCES:
patent: 3027793 (1962-04-01), Sommer
patent: 3101639 (1963-08-01), Cederleaf
patent: 3111895 (1963-11-01), Kraft et al.

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