Retractable vertical restraint mechanism for an aircraft cargo s

Details Retractable vertical restraint mechanism for an aircraft cargo s Retractable vertical restraint mechanism for an aircraft cargo s

1982-09-29

1985-02-12

Reese, Randolph

Freight accommodation on freight carrier

Load bearer accommodation

Retainer

2441181, 244137R, 410 77, B64D 112

Patent

active

044988230

ABSTRACT:
Parallel restraint rails (20, 22) each include a hinged vertical restraint lip (32) that pivots between a vertically-extending retracted position and a horizontally-extending cargo-restraining position. Each lip (32) is hinged by pins (34) carried by spaced lugs (33) attached in openings (30) in the rail (20, 22). A torsion spring (36) surrounds each pin (34) to urge the lip (32) into the retracted position. Stop blocks (35) on each lip (32) are each free to rotate past a pawl (41) when the pawl (41) is pivoted and held by a foot pedal (44) by the interconnection of a pin (47) extending from the pawl (41) and a cam surface (45) on the pedal (44). The pedal (44) and pawl (41) are carried by pivot pins (38, 37) and biased by springs (40, 39) within a housing (31) positioned in opening (30). The pawl (41) locks the lip (32) into its restraint position and latches the lip (32) into its retracted position. The pedal (44) is coupled to a warning flag (50) that visually indicates a failure of the pawl (41) to properly engage.

REFERENCES:
patent: 3335983 (1967-08-01), Mollon et al.
patent: 3641940 (1972-02-01), Evans
patent: 3693920 (1972-09-01), Trautman
patent: 3698679 (1972-10-01), Lang et al.
patent: 3796397 (1974-03-01), Alberti
patent: 3927622 (1975-12-01), Voigt
patent: 3986460 (1976-10-01), Voigt et al.
patent: 3995562 (1976-12-01), Nordstrom
patent: 4089275 (1978-05-01), Pelletier
patent: 4415298 (1983-11-01), Voigt

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