Bearing restricting device in swash plate hydraulic pump or...

Details Bearing restricting device in swash plate hydraulic pump or... Bearing restricting device in swash plate hydraulic pump or...

2011-02-22

2011-02-22

Lopez, F. Daniel (Department: 3745)

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Parallel cylinders

Reexamination Certificate

active

07891285

ABSTRACT:
In a swash plate hydraulic pump or motor structured so that a convex arc surface on the back surface of a swash plate is supported on a concave arc surface of a swash plate support via a bearing in a manner enabling the arc surface to swing in the circumferential direction that follows the arc path. A restricting pin is included for restricting movements of the bearing. The assembly structure prevents the restricting pin from coming out of the swash plate and the swash plate support. One end of the restricting pin is supported rotatably on a side surface of the swash plate. An intermediate portion of the restricting pin is engaged in an engagement hole formed in a holder of the bearing in a loosely fitting manner. Finally, the other end of the restricting pin is inserted into a support rod supported rotatably around its axis on the swash plate support to permit movement of the restricting pin in a pin axial direction.

REFERENCES:
patent: 4029367 (1977-06-01), Schwede et al.
patent: 5383391 (1995-01-01), Goade et al.
patent: 5390584 (1995-02-01), Fritz et al.
patent: 5590579 (1997-01-01), Weber
patent: 5927176 (1999-07-01), Stolzer
patent: 2004183621 (2004-02-01), None

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