Motorized bi-fold stepwell cover

Details Motorized bi-fold stepwell cover Motorized bi-fold stepwell cover

1977-12-27

1979-11-13

Song, Robert R.

Land vehicles

Wheeled

Attachment

105450, 280166, B60R 300

Patent

active

041741153

ABSTRACT:
A stepwell cover comprising a deck consisting of first and second deck segments having edges pivotally secured together adjacent a central portion of the deck, and an actuating mechanism arranged to move a first deck segment through an angle of ninety degrees while simultaneously moving the second deck segment through an angle of one hundred eighty degrees relative to the first deck segment for moving the stepwell cover between a first position covering the stepwell and a second position providing access to the stepwell. The first deck segment is pivotally secured to the vehicle and a chain or cable is secured to a sprocket on a shaft secured to the second deck segment for moving the second deck segment relative to the first deck segment.

REFERENCES:
patent: 1868599 (1932-07-01), Griffin
patent: 2024338 (1935-12-01), Christiansen
patent: 3330329 (1967-07-01), Ligh
patent: 3408959 (1968-11-01), Cripe
patent: 3572754 (1971-03-01), Fowler
patent: 3913497 (1975-10-01), Maroshick
patent: 3955827 (1976-05-01), Wonigar
patent: 4074786 (1978-02-01), Joubert

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