Maintenance lip lock

Details Maintenance lip lock Maintenance lip lock

1981-04-23

1983-03-15

Byers, Jr., Nile C.

Bridges

Gangway, ramp, or dock leveler

Attached

E01D 100

Patent

active

043763197

ABSTRACT:
An improved maintenance assembly for a dockboard having a ramp and a hinged lip. The maintenance assembly includes a lip locking member which is slidably contained in a bracket attached to the bottom of the ramp. A spring connected to the lip locking member urges the locking member into its stored position. When the lip locking member is extended to engage the bottom of the lip and hold it in an elevated position, the lip locking member engages the lip hinge and pivots slightly to bring a detent into engagement with the bracket and thus lock the lip locking member in its operative position.

REFERENCES:
patent: 3117332 (1964-01-01), Kelley
patent: 3235896 (1966-02-01), Riggs
patent: 3323158 (1967-06-01), Loomis
patent: 3327335 (1967-06-01), Beckwith
patent: 3444574 (1969-05-01), LeClear
patent: 3699601 (1972-10-01), Hecker
patent: 3728753 (1973-04-01), Beckwith
patent: 4010505 (1977-03-01), Bouman
patent: 4068338 (1978-01-01), Artzberger
Instruction Decal 138-726 by Kelley Company.
Owners Manual for M6054 Dockleveler by Kelley Company, dated Feb. 1, 1980-Pertinent pages are 9 and 10.

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