Locking control and overtravel safety stop system for variable l

Details Locking control and overtravel safety stop system for variable l Locking control and overtravel safety stop system for variable l

1976-06-28

1978-02-21

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Radially extensible or retractible rotor working member

416 89, B64C 1128

Patent

active

040749525

ABSTRACT:
A locking control system and an overtravel safety stop system are presented for a variable length rotor blade system. The lock system has a lock mechanism operated by a pilot actuated lock shaft to lock and unlock the blade adjustment system. A traveling nut locks the blade adjustment system to prevent overretraction or overextension.

REFERENCES:
patent: 1145388 (1915-07-01), Rochon
patent: 2852207 (1958-09-01), Jovanovich
patent: 3768923 (1973-10-01), Fradenburgh
patent: 3814351 (1974-06-01), Bielawa
patent: 4007997 (1977-02-01), Yarm et al.

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