Bridges – Gangway – ramp – or dock leveler – Attached
Patent
1988-03-31
1989-06-06
Massie, IV, Jerome W.
Bridges
Gangway, ramp, or dock leveler
Attached
49463, 193 41, E01D 100
Patent
active
048358061
ABSTRACT:
A transfer bridge for a ramp or a dock. The bridge includes a bridge plate, the back end of which is pivotably mounted via a shaft that is disposed in supports. A locking element prevents the shaft from accidentally lifting out of the supports. At the top, the locking element extends about the shaft, and at the bottom, below the shaft, the locking element is detachably connected to the dock.
REFERENCES:
patent: 721977 (1903-03-01), Teller
patent: 1993261 (1935-03-01), Colgate
patent: 3994543 (1976-11-01), Melugin
patent: 4274172 (1981-06-01), Franklin
patent: 4570277 (1986-02-01), Hahn et al.
Letchford John F.
Massie IV Jerome W.
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