Crane hook and trolley camera system

Details Crane hook and trolley camera system Crane hook and trolley camera system

2006-04-20

2010-02-02

Tran, Sinh (Department: 2622)

Television

Camera, system and detail

Power supply

C348S143000, C348S373000, C212S312000

Reexamination Certificate

active

07656459

ABSTRACT:
A crane camera system employs a hook camera transmitter to send wireless signals vertically upward to a trolley receiver, which are then relayed by a trolley transmitter to the operator cabin. This allows line-of-sight wireless transmission of signals from the hook to the cabin to take place reliably without interference from obstructions on the work site. It is especially suitable for a tower-type overhead or boom-type crane. A trolley camera may also be provided for taking look-down images of the hook and transmitting them to the cabin in tandem with the hook camera signals. The hook and trolley camera images allows the operator to see more precisely the positioning of the hook relative to the ground, thereby greatly reducing the possibility of accidents or damaging collisions with persons or objects on the ground. A hook assembly mounting the hook camera on the hook has a longitudinal frame fastened with vibration-dampeners to two lateral hook spindles in the hook to avoid reducing the integrity of the hook or contact with moving parts of the hook.

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