Electromagnetic coupling device

Details Electromagnetic coupling device Electromagnetic coupling device

1996-03-22

1997-12-02

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Operators

192 556, 192 84961, 192200, 192209, 464 83, 464 85, F16D 27108, F16D 2714

Patent

active

056925913

ABSTRACT:
An armature assembly (4 or 15) for an electromagnetic coupling device has a stop plate (9), rubber dampers (11) and an armature (12). Stop plate (9), which is formed in a press from a single steel plate, has a boss (9b), flanges (9c) and a periphery wall (9a). The periphery wall (9a) reinforces the stop plate (9) and forms damper covers (9e) on the ends of the flanges (9c). The damper covers (9e) have a wall surface (9d) that surrounds the damper chamber except for an opening on one side of the damper cover facing toward the boss (9b). A rubber damper (11) with a torque pin (10) is mounted in each damper cover (9e). An armature (12) is secured to the torque pins (10) by staking. The opening in one side of the damper cover permits the rubber damper 11 adjacent to the opening to move toward the torque pin (10) when that portion of the rubber damper is subjected to a tension force. This movement of the rubber damper (11) reduces the maximum stress in the damper and increases damper life.

REFERENCES:
patent: 472707 (1892-04-01), Hunt
patent: 1723886 (1929-08-01), Pfaff
patent: 3752279 (1973-08-01), Briar
patent: 4972932 (1990-11-01), Nakamura et al.
patent: 5009297 (1991-04-01), Gonda
patent: 5046594 (1991-09-01), Kakinuma
patent: 5184705 (1993-02-01), Sekiguchi et al.
patent: 5361883 (1994-11-01), Yamamoto

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