Mechanism for opening and closing a movable member

Details Mechanism for opening and closing a movable member Mechanism for opening and closing a movable member

1976-02-20

1977-10-04

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Elements

49340, 49344, 49345, 298 23MD, G05G 104, B60P 126, E05F 1504

Patent

active

040517462

ABSTRACT:
An apparatus for controlling the movement of a movable tail-gate hinged to a tipping body of a vehicle. A collapsible toggle linkage is pivotally connected at one end to a flap adapted to bear against the tail-gate and the opposite end of the linkage is pivotally connected to a support secured to the vehicle. The toggle linkage is moved between erect and collapsed conditions by a piston and cylinder assembly, the piston rod of said assembly being connected to the interconnected ends of the toggle linkage by a bracket. The bracket serves as a stop to prevent outwardly collapsing movement of the toggle linkage. The tail-gate can be maintained in a closed position independently of any forces exerted by the piston and cylinder assembly.

REFERENCES:
patent: 119060 (1871-09-01), Swain
patent: 1042381 (1912-10-01), Baker
patent: 1542341 (1925-06-01), Deckert
patent: 2245252 (1941-06-01), Cleghorn
patent: 3773385 (1973-11-01), Sandberg

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