Rotary damper

Details Rotary damper Rotary damper

2007-06-19

2007-06-19

Lazo, Thomas E. (Department: 3745)

Expansible chamber devices

Oscillating working member or cylinder therefor

Oscillatory shaft with radially extending vane

C188S306000

Reexamination Certificate

active

11352064

ABSTRACT:
A rotary damper for damping oscillation of a motorcycle front tire includes a vane swingably mounted inside the rotary damper between left and right oil chambers, passages placing the oil chambers in fluid communication with one another, front chambers in communication with the passages to secure a pressure-receiving area adjacent the vane when the vane is at one of its extreme swing positions and begins swinging back towards the center of the damper, and grooves in fluid communication with the front chambers, wherein the grooves are formed shallower than the front chambers, and the passages are opened to the bottom of said grooves.

REFERENCES:
patent: 6824153 (2004-11-01), Hanawa et al.
patent: 6848698 (2005-02-01), Hasegawa et al.
patent: 7021433 (2006-04-01), Yamada et al.
patent: 7044489 (2006-05-01), Bunya et al.
patent: 2004/0211632 (2004-10-01), Yamada
patent: 2005/0017477 (2005-01-01), Sato et al.
patent: 2005/0274582 (2005-12-01), Tomonaga
patent: 2001-099208 (2001-04-01), None

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