Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1989-06-26
1991-04-23
Graham, Matthew C.
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
248562, 267219, F16M 500
Patent
active
050094033
ABSTRACT:
A fluid-filled elastic mount including a first and a second support member; an elastic body for connecting the first and second support members; a first chamber filled with a non-compressible fluid and receiving a vibrational load applied to the mount; a second chamber filled with the fluid, at least partially defined by a flexible diaphragm and having a variable volume; an orifice for fluid communication between the two chambers; and a movable member movable by a predetermined distance between the two chambers. The movable member is formed of a rigid material and the orifice is provided in the movable member. The mount further includes a holding device for holding an outer peripheral portion of the movable member such that the movements of the movable member in the load-receiving direction are limited by butting contacts of the outer peripheral portion with a pair of contact surfaces of the holding device, and a pair of cushioning members secured to the contact surfaces of the holding device, respectively. A pair of cushioning members may be secured to one of a pair of contact surfaces of the outer peripheral portion of the movable member, and one of the pair of contact surfaces of the holding device which is opposed to the other contact surface of the outer peripheral portion of the movable member, respectively.
REFERENCES:
patent: 2553636 (1951-05-01), Dath
patent: 4383679 (1983-05-01), Kakimoto
patent: 4418897 (1983-12-01), Hartel et al.
patent: 4679777 (1987-07-01), Gold et al.
patent: 4753422 (1988-04-01), Thorn
patent: 4787610 (1988-11-01), Kojima et al.
patent: 4809959 (1989-03-01), Hourlier
patent: 4836512 (1989-06-01), Lun
Kato Rentaro
Suzuki Tatsuya
Graham Matthew C.
Tokai Rubber Industries Ltd.
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