Redundant pushrod-to-bellcrank connection

Details Redundant pushrod-to-bellcrank connection Redundant pushrod-to-bellcrank connection

1976-03-11

1977-06-21

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

74110, 74519, 74559, 403 11, 403 98, 403116, 403157, G05G 104

Patent

active

040303780

ABSTRACT:
A pushrod-to-bellcrank attachment includes a primary pivot connection and two secondary pin and slot connections so arranged relative to each other that there is a continuing operative connection of the pushrod to the bellcrank in the event the primary connection is lost by small arms fire. When the primary pivot is lost, the pins of the secondary connections act in conjunction with the slots, which are arcuate, as a large bearing struck about the primary pivot to maintain the rod and the bellcrank in their original relative positions about the primary pivot with no introduction of lost motion between bellcrank and rod.

REFERENCES:
patent: 888635 (1908-05-01), Morris
patent: 3842687 (1974-10-01), Fansler et al.

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