Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent
1976-03-01
1977-05-24
Scott, James R.
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
200 6BB, 200 67E, 200153V, 200153LB, 200238, 200284, H01H 2138, H01H 348
Patent
active
040257380
ABSTRACT:
A reversible snap-action switch including a drive member and a switch-actuating driven member connected by a lost motion coupling. The relative position between the drive and driven members is shifted by substantially the lost motion distance as the drive member moves the driven member through a switching zone and then reverses its direction to return to its original position. In each direction of movement a bidirectional accelerating means imparts a snap-action motion to the drive member. This motion is coordinated with the position of the driven member so that switching occurs during the snap-action motion in each direction of movement, thereby inhibiting any hesitation in making or breaking the switch contacts. The invention also includes a cement-free mounting for the switch contacts.
REFERENCES:
patent: 3162731 (1964-12-01), Braunagel
patent: 3283596 (1966-11-01), Rueser
patent: 3407278 (1968-10-01), Stoi
patent: 3467800 (1969-09-01), Barr
patent: 3519777 (1970-07-01), Kaiser
patent: 3627937 (1971-12-01), Swanke et al.
Erwin Carl Lloyd
Howett Michael John
Nojiri Howard Hideo
Becker William G.
Bourns Inc.
Scott James R.
Ware Paul H.
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