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US 2008/0174132 A1Published application
Soft touch clamp actuation mechanism
AssigneeAsm Technology Singapore Pte Ltd
InventorsKa Shing Kenny KWAN, Tingyu HE
Life of this patent
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Abstract
A clamping mechanism having clamping jaws is provided for holding an object. The clamping mechanism comprises a solenoid pad connected to at least one of the clamping jaws which is operative to actuate movement of the clamping jaw, and a solenoid motor that is operative to attract the solenoid pad towards it when it is energized. Further, a voice coil motor is rigidly coupled to the solenoid pad to drive the solenoid pad in directions towards or away from the solenoid motor.
Claims9
A clamping mechanism having clamping jaws for holding an object, the clamping mechanism comprising:
- a solenoid pad connected to at least one of the clamping jaws and operative to actuate movement of the at least one clamping jaw;
- a solenoid operative to attract the solenoid pad towards the solenoid when the solenoid is energized, the solenoid being operable to receive a first current;
- and
- a voice coil motor that is fixedly coupled to the solenoid pad and is operative to drive the solenoid pad towards and away from the solenoid, the voice coil motor being operable to receive a second current that is separate from and electrically unconnected to the first current.
1 more element
(canceled)
9-14. (canceled)
Dependencies are inferred from the claim text.