Roll off hoist with front retractable loading frame

Details Roll off hoist with front retractable loading frame Roll off hoist with front retractable loading frame

2006-09-26

2006-09-26

Matecki, Kathy (Department: 3652)

Material or article handling

Self-loading or unloading vehicles

Separable load rack

C414S494000, C414S477000, C414S491000

Reexamination Certificate

active

07112030

ABSTRACT:
A roll off container hoist with a front retractable loading frame includes a hoist with a break or discontinuity of the loadable frame structure at a forward end of the hoist. The roll off container hoist is mounted on a vehicle having hydraulic circuits for operating the hoist. The hoist includes a main hoist frame pivoted to a vehicle frame at a rear pivot point. The hoist includes a main lift cylinder attached to the vehicle frame and the main hoist frame for pivoting the main hoist frame to the loading/unloading position. The hoist includes an extension frame slidably coupled to the main hoist frame and extendable there-from that is loadable at any dump angle.

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patent: 6332746 (2001-12-01), Lang et al.
patent: 6354787 (2002-03-01), O'Daniel

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