Bridges – Gangway – ramp – or dock leveler – Attached
Patent
1977-10-14
1978-10-10
Byers, Nile C.
Bridges
Gangway, ramp, or dock leveler
Attached
E01D 100
Patent
active
041188179
ABSTRACT:
A toe guard is provided for a pivotable dock board in which the toe guard includes two relatively telescopically mounted plates for increasing the vertical height of protection at each side of the dock board. A dock board to which the present invention is applicable includes a ramp that is designed for pivoted mounting in a pit formed in a loading dock. This ramp includes an upper transport plate which alternatively forms a contiguous surface portion of the dock or may be pivoted to a relatively depressed or relatively elevated position with respect to the dock to permit transfer and transport of persons and equipment between the dock and an adjacently positioned vehicle. The sides of the ramp form an exposed area when the ramp is elevated with respect to the dock and toe guards are provided to prevent injury to personnel who may be standing closely adjacent to the dock and may inadvertently place their feet into the operating space of the ramp and possibly result in personal injury. The toe guard of this invention includes two or more telescopic plates which are relatively pivoted to each other for relative swinging movement in the same plane with the one plate pivoted to the ramp of the dock board structure to be pivoted in conjunction with the dock board for extending the plates to the fullest extended position on upward swinging of the ramp and telescoping to a collapsed position on downward swinging of the ramp.
REFERENCES:
patent: 2846703 (1958-08-01), Adley
patent: 3255478 (1966-06-01), Lambert
patent: 3363273 (1968-01-01), Chitwood
patent: 3456274 (1969-07-01), McGuire
patent: 3886615 (1975-06-01), Metro
Byers Nile C.
Harsco Corporation
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