Transfer bridge for docks

Details Transfer bridge for docks Transfer bridge for docks

1988-03-25

1989-09-05

Massie, Jerome W.

Bridges

Gangway, ramp, or dock leveler

Attached

14 717, E01D 100, B65G 6928

Patent

active

048625477

ABSTRACT:
A transfer bridge that is pivotably mounted on a dock. The free end of the bridge plate is provided with an extension that can be retracted and extended. One or more tongues are displaceably supported by the extension. A pressure member provides a frictional force that holds the tongues against the extension and that must be overcome when the tongues are pushed in and when the tongues encounter a stop member of the bridge plate.

REFERENCES:
patent: 2993219 (1961-07-01), Pennington
patent: 4382307 (1983-05-01), Alten
patent: 4727613 (1988-03-01), Alten

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