Shock absorber device for a portable electronic apparatus

Details Shock absorber device for a portable electronic apparatus Shock absorber device for a portable electronic apparatus

1993-08-12

1995-01-10

Oberleitner, Robert J.

Spring devices

Vehicle

Compound

267136, 369247, B60G 1158, G11B 2504

Patent

active

053799909

ABSTRACT:
A shock absorbing device including a chassis, a frame covering the chassis, and a plurality of supporting devices for resiliently supporting one side of the chassis and the opposing other side of the chassis to the frame, wherein the supporting devices each comprise a rod, a damper formed of a resilient member and having an engagement concave portion into which the rod is fitted, and a coil spring surrounding the rod and being disposed between the chassis and the frame under compressed state, and the coil springs have spring constants of the shearing direction respectively set in response to the position of a gravity of the chassis, and disposed at one side and the other opposing side of the chassis so that the compressing directions of the coil springs are opposed to each other.

REFERENCES:
patent: 4731777 (1988-03-01), Yoshitoshi et al.
patent: 4794588 (1988-12-01), Yoshitoshi et al.
patent: 4893210 (1990-01-01), Mintzlaff
patent: 4922478 (1990-05-01), Verhagen
patent: 4946129 (1990-08-01), Eastwick
Patent Abstracts of Japan, vol. 11, No. 397 (M-655), 25 Dec. 1987 & JP-A-62 165 040 (Matsushita Electric Ind. Co. Ltd.), 21 Jul. 1987.
IBM Technical Disclosure Bulletin, vol. 33, No. 9, Feb. 1991, New York, N.Y. USA, pp. 53-57; ANON: "Frictional-elastomeric shockmount system for mechanical isolation of fragile device from sources of vibration and shock.".

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