O-ring seal of geared-motor

Details O-ring seal of geared-motor O-ring seal of geared-motor

1992-01-16

1993-06-08

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277170, 277190, 285918, F16J 1510

Patent

active

052172368

ABSTRACT:
An O-ring seal configuration between a motor unit and a reduction gear head of a geared-motor is improved. An, O-ring holder is defined by a flange face of a bracket, which is fit to a frame of the motor unit and a guide groove, which is formed on an outer face 7d of a circular boss. A circular vertical wall of the frame has a specific excess height over the flange face; whereby when the reduction gear head is coupled to the motor unit, the guide groove and the circular vertical wall cooperatively prevents the O-ring from become dislodged and misaligned in the coupling face and from slipping off of the bracket.

REFERENCES:
patent: 2470256 (1949-05-01), McIlroy
patent: 2539846 (1951-01-01), Lewis et al.
patent: 3055670 (1962-09-01), Sampson
patent: 3173712 (1965-03-01), Zahuranec et al.
patent: 3720223 (1973-03-01), Goellner
patent: 3758072 (1973-09-01), Herd
patent: 4015745 (1977-04-01), Petrangelo
patent: 4648740 (1987-03-01), Carlson
patent: 4913635 (1990-04-01), Ochiai et al.

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