B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
294/11
B66F 11/00 (2006.01) B66F 19/00 (2006.01)
Patent
CA 1247168
ABSTRACT OF THE DISCLOSURE An apparatus for operating and transferring a manhole cover is disclosed which is capable of being applicable to a manhole cover formed with any through-hole type operating hole and preventing the disengagement of the manhole cover from the apparatus. The apparatus includes a lever body having a pair of operating arms. The operating arms each have an eccentric hanging hook pivotally mounted thereon and a press member which is adapted to abutted against a manhole cover to horizontally support it during the lifting operation. The hanging hook comprises a vertical support member pivotally mounted on the operating arm to be pivotally moved in the longitudinal direction of the apparatus and a hanging member connected to the support member to inwardly extend therefrom in a manner to be offset in the direction opposite to that of a point of force. The apparatus has a manhole cover lifting position which is offset toward the press member with respect to the centre of gravity of the manhole cover.
500661
Mochizuki Otohiko
Mochizuki Susumu
Gowling Lafleur Henderson Llp
Mochizuki Motor Co. Ltd.
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