B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/90
B23K 11/00 (2006.01) B23K 11/28 (2006.01) H01H 11/04 (2006.01)
Patent
CA 1055121
A B S T R A C T A welding gun for replacing the movable contacts of wire spring relays is provided with a pair of jaws re- latively movable toward each other to clamp the contact material to the relay arm for welding them together. A manual control member is movable to cause the relative movement over a resilient connection which provides the clamping pressure. the manual control member moves past the point in its travel where clamping is achieved stressing the resilient connection to actuate a switch to initiate the welding cycle. The clamping pressure is thus controlled at the time that welding commences.
277077
Bennett R. Brian P.
Crooks Basil D.
Northern Telecom Limited
LandOfFree
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