Work holders – Relatively movable jaws – Means to actuate jaw
Patent
1977-05-04
1978-06-27
Watson, Robert C.
Work holders
Relatively movable jaws
Means to actuate jaw
13 16, B25B 514
Patent
active
040970361
ABSTRACT:
A clamping device is disclosed for a thermally and electrically pressure-contacted semiconductor component in disk-cell construction which includes two pressure or conductor plates between which the semiconductor component is disposed. The two pressure or conductor plates are squeezed together by a clamping device which includes bolts and flat springs with an adjustable force measurable on the clamping device. The clamping bolts pass through a flat spring and the middle of the spring engages the center of a convex surface on one of the two pressure or conductor plates. A large-area clamping plate with a central threaded insert serves as the flat spring over at least the one pressure or conductor plate. The large-area clamping plate is capable of being stressed over a certain rotation angle proportioned to the force of a central clamping screw which presses on the convex surface. The large-area clamping plate is held by four clamping bolts which pass through the corners of the large-area clamping plate.
REFERENCES:
patent: 926583 (1909-06-01), Miller
patent: 1522141 (1925-01-01), Raby
patent: 2179153 (1939-11-01), Jones
BBC Brown Boveri & Company Limited
Watson Robert C.
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