Mechanical latch device and relay including the mechanical latch

Details Mechanical latch device and relay including the mechanical latch Mechanical latch device and relay including the mechanical latch

1992-09-22

1993-11-23

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

361 42, H01H 7300

Patent

active

052648117

ABSTRACT:
A mechanical latch capable of arranging a plunger PL and a latch release button straight is disclosed.
A mover MV is pushed in a direction F by pressing means including a resilient arm A provided with a movable contact CF1. The mover MV is formed with an oblique portion MVR having a section formed into a triangle. The oblique portion MVR is meshed with a gripper claw GRN and the mover MV is moved in a direction R by a spring SP to become a latch state. The plunger having a fin higher than a top of the oblique portion MVR is moved to release the meshing. The mover is moved in the direction F and the gripper is moved in the direction R to thereby release the latch.

REFERENCES:
patent: 4105879 (1978-08-01), Tsukushi et al.
patent: 4574260 (1986-03-01), Franks
patent: 4630015 (1986-12-01), Gernhardt et al.
patent: 4719437 (1988-01-01), Yun
patent: 4851951 (1989-07-01), Foster, Jr.
Japanese Patent Abstract No. 2-145755(A) published Jun. 1990, Motohisa Miyato, "Manufacture of Lead Frame Material Having Superior Property of Joining etc.".
Japanese Patent Abstract No. 2-299119(A) published Dec. 1990, Tamatsu Mori, "Thermal Type Trip Device For Wiring Breaker".
Japanese Patent Abstract No. 3-119630(A) published May 1991, Hiroshi Matsuura, "Circuit Breaker".
Japanese Patent Abstract No. 2-299120(A) published Dec. 1990, Tamotsu Mori, "Wiring Breaker".

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