Waste receptacle dumping apparatus

Material or article handling – Device for emptying portable receptacle – For emptying contents thereof into portable receiving means

Patent

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Details

414546, 414421, B65D 302

Patent

active

046733272

ABSTRACT:
A dumping apparatus for roll-out cart waste receptacles employs a tipper plate which includes a lifting mechanism and a lock plate which includes a locking mechanism. The tipper and lock plates are mounted for pivotal movement about respective first and second pivot axes on a mounting support that is attachable to a waste collection vehicle. A hydraulic cylinder has a trunnion mounting to the mounting support and an extensible rod member that is pivotally attached at one end to the tipper plate. The hydraulic cylinder functions as a drive mechanism for moving the tipper plate about the first pivot axis. The pivotal movement of the tipper plate causes the lifting mechanism to engage the pick-up bar and thereby lift the receptacle to bring its lock bar into engagement with the locking mechanism of the lock plate. The lock plate at all times moves about the second pivot axis in cooperation with and in the same rotational sense as the driven pivotal movement of the tipper plate. The cooperation between the tipper plate and lock plate provides a positive locking slide mechanism for the receptacle as it is lifted and inverted to dump its contents into the waste collection vehicle. The first and second pivot axes are offset so that, after the lock bar engages the locking mechanism, the distance between the lifting and locking mechanisms does not change appreciably over the operational range of pivotal movement for lifting and inverting the receptacle and dumping its contents.

REFERENCES:
patent: 3738516 (1973-06-01), Wells
patent: 3804277 (1974-04-01), Brown et al.
patent: 4042137 (1977-08-01), Hughes et al.
patent: 4365922 (1982-12-01), Borders et al.
patent: 4422814 (1983-12-01), Borders et al.
patent: 4479751 (1984-10-01), Wyman et al.

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