Circuit interrupter with pivoting contact arm having a clinch-ty

Details Circuit interrupter with pivoting contact arm having a clinch-ty Circuit interrupter with pivoting contact arm having a clinch-ty

1978-10-16

1981-01-13

Braun, Fred L.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

200244, 335170, H01H 7500, H01H 7700, H01H 920

Patent

active

042452031

ABSTRACT:
A circuit interrupter includes two parallel pivoting contact arms, the lower of which is connected to a stationary conductor member using a clinch-type contact. The contact arm has an axle member rigidly attached thereto which is supported by a bearing member attached to the conductor. In one embodiment, the bearing member comprises a pair of bifurcated arms which are clamped about each end of the axle member. In an alternative embodiment, the conductor member lies generally parallel to the lower contact arm and is slotted to form a pair of elongated conductor arms, each of which supports a journal bearing member. One end of the axle is extended through each journal bearing.

REFERENCES:
patent: 2349631 (1944-05-01), Lindstrom et al.
patent: 3343108 (1967-09-01), Murai
patent: 3365561 (1968-01-01), Jencks et al.
patent: 3469216 (1969-09-01), Shiraishi
patent: 3991391 (1976-11-01), Wafer
patent: 4013984 (1977-03-01), Wafer
patent: 4031492 (1977-06-01), Wafer
patent: 4077025 (1978-02-01), Slade et al.
patent: 4132968 (1979-01-01), Lang

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