Carrier track system for extensible and retractable boom...

Details Carrier track system for extensible and retractable boom... Carrier track system for extensible and retractable boom...

B - Operations, Transporting

66

F

212/28.2

B66F 9/20 (2006.01) B66F 11/04 (2006.01)

Patent

CA 1306445

CARRIER TRACK SYSTEM FOR EXTENSIBLE AND RETRACTABLE BOOM MACHINES Abstract To guide and restrain essential hoses and cables of telescoping boom machines, a carrier track system for the hoses and cables is provided in which all parts of the flexible carrier track are supported during extension and retraction of the telescoping boom. The system includes a stiff leg attached to the forward end of the boom fly section and extending rearwardly thereof and engaging a guiding and restraining device on the forward end of a carrier track bridge attached to the forward end of the boom mid-section and extending rearwardly thereof and engaging a restraining and guiding device on the forward end of the boom base section. The rear of the bridge carries a guide roller assembly which engages the bight portion of the flexible carrier track which is connected between the stiff leg and the forward end of the boom base section. Spaced support rollers on the top of the bridge engage and support the stiff leg and the top stretch of the flexible carrier track along its entire length. The bottom stretch of the flexible carrier track is supported along its entire length by spaced support elements along the bottom of the boom base section. The rear end of the bridge is supported through its attached guide roller assembly on the supported lower stretch of the flexible carrier track.

532172

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