Safety lock system for test head mount

Details Safety lock system for test head mount Safety lock system for test head mount

2005-06-28

2005-06-28

Patel, Paresh (Department: 2829)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

C324S758010, C414S589000

Reexamination Certificate

active

06911816

ABSTRACT:
A safety lock system prevents unlocking of a balanced loaded unit when the loaded unit becomes unbalanced. A plurality of calipers applies pressure on opposite sides of a guide rail. A lock block couples the load to at least one of the calipers for movement of the load along the guide rail. A rotatable handle is coupled to the calipers through a shaft. Rotation of the handle locks or unlocks the lock block against vertical movement. A safety block is coupled to the loaded unit and is moveable with the loaded unit for preventing rotation of the handle upon a preselected movement of the loaded unit relative to the lock block.

REFERENCES:
patent: 4288193 (1981-09-01), Klausbruckner et al.
patent: 4705447 (1987-11-01), Smith
patent: 4943020 (1990-07-01), Beaucoup et al.
patent: 5241870 (1993-09-01), Holt
patent: 5606262 (1997-02-01), Montalbano et al.
patent: 5818219 (1998-10-01), Hama et al.
patent: WO 96/26446 (1996-08-01), None
International Search Report dated Oct. 6, 2000 for PCT/US00/00704.

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