Mechanical strain isolator mount

Details Mechanical strain isolator mount Mechanical strain isolator mount

1989-11-27

1991-03-05

Chin-Shue, Alvin C.

Supports

Resilient support

Including three or more circumferentially arranged resilient...

248593, F16M 1300

Patent

active

049971581

ABSTRACT:
A mechanical strain isolator mount 10 is provided to preserve the alignmental integrity of alignment sensitive instrument 25. Alignment sensitive instrument 25 is mounted on rectangular base 11. Flexural legs 15, 16, and 17 are connected at their proximal ends to rectangular base 11 at points, A, B, C, respectively. Flexural legs 15, 16, and 17 are also spaced parallel to sides AB, BC, and CD respectively. Mounting pads 20, 21, and 22 are respectively connected to legs 15, 16, and 17 at the distal ends thereof and attach mechanical strain isolator mount 10 to substrate 30 by means of threaded bolts 23. When a mounting pad and its respective leg is subjected to lateral strains in either the X or Y directon via substrate 30, the respective leg relieves the strain by bending in the direction of the strain. An axial strain on a mounting pad in the Z direction is relieved by a rotational motion of legs 15, 16, and 17 in the direction of the strain. When substrate 30 is stress free, the flexural legs return to their original condition and thus preserve the original alignmental integrity of alignment sensitive instrument 25.

REFERENCES:
patent: 2936140 (1960-05-01), Copeland
patent: 3317166 (1967-05-01), Janssen
patent: 3506226 (1970-04-01), Blomgren
patent: 4076197 (1978-02-01), Dochterman
patent: 4155529 (1979-05-01), Maudlin
patent: 4200257 (1980-04-01), Litch, III
patent: 4230291 (1980-10-01), Marshall, II
patent: 4372520 (1983-02-01), Shutt
patent: 4683520 (1987-07-01), Grassens et al.

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