Electricity: circuit makers and breakers – Fluid pressure – Piston
Patent
1991-09-30
1994-01-25
Scott, J. R.
Electricity: circuit makers and breakers
Fluid pressure
Piston
200 82B, H01H 3538, H01H 150
Patent
active
052817814
ABSTRACT:
Apparatus for switching a high-current power supply, for example for transportable melting systems in melting and remelting plants, with a stationary apparatus part and a movable apparatus part, a contact surface between the stationary and the movable part as well as a device for locking the two parts, the contact surface (2d) on the stationary part (S) being preferably in the form of a hemisphere (2a) and the corresponding contact surface (3d) on the movable part (M) being preferably configured as a conical inside surface (3a) and the contacts being joinable forcibly with one another by means of a clamping device, the clamping device consisting for example of a centering and drawing bolt (2b) and of a corresponding ball clamping device, and that the clamping device is electrically insulated by means of insulators (7, 12) from the current-carrying contacts.
REFERENCES:
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patent: 3987262 (1976-10-01), Rostron
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patent: 4511776 (1985-04-01), Romier et al.
patent: 5059932 (1991-10-01), Bonhomme
Herchenrother Karl
Protzmann Michael
Spengemann Heiko W.
Leybold Durferrit GmbH
Scott J. R.
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