Variable length strut with longitudinal compliance and locking c

Details Variable length strut with longitudinal compliance and locking c Variable length strut with longitudinal compliance and locking c

1983-07-01

1985-08-20

Reese, Randolph A.

Freight accommodation on freight carrier

Miscellaneous

2441181, 244158R, 248550, 267 8R, 267150, F16M 1300

Patent

active

045361142

ABSTRACT:
A variable length strut device (A) is illustrated for connecting two associated structures which includes an outer load bearing shell (B), a drive assembly (C), a length varying compliance assembly (D) positioned by drive assembly (C), and a strut rod locking assembly (E). Load bearing shell (B) includes a connecting part (32) adapted for connection to a first associated structure. A strut connection rod (58) has a connecting part (88) adapted for connection to a second associated structure and a distal end having a piston driver (74) slidably carried in a housing 44 of compliance assembly (D). Two compliance pistons (62, 64) act in opposing directions on the piston driver to provide longitudinal compliance in a compliance mode of operation. Locking assembly (E) includes locking balls (90) which are urged in a locking ring (92) as locking bolt (82) is urged to the left by fluid pressure. Microswitches (41) sense the displacement of pistons (62, 64) away from the internal ring (60) to bring the pistons to a neutral position wherein the pistons are in contact with the internal ring (60) when it is desired to do so as effected by a control source (112).

REFERENCES:
patent: 847164 (1907-03-01), Corn
patent: 2421822 (1947-06-01), Wood
patent: 4185720 (1980-01-01), Wright, Jr. et al.
patent: 4407395 (1983-10-01), Suozzo
patent: 4483425 (1984-11-01), Newman

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