Lifter with waste container engagement member of polymeric material
AssigneePerkins Manufacturing Company
InventorRamiro Arrez
Life of this patent
Estimating the term…
Abstract
A refuse container lifter for mounting on a refuse collection vehicle, the lifter being movable between a retracted and a dumping position for lifting and inverting the container. The lifter includes an upper and a lower engagement member for engaging the refuse container when the lifter is moving toward the dumping position, and at least one of the upper and/or lower engagement members has a container engaging surface of polymeric material, such as polyethylene having a molecular weight of at least 2 million, and preferably of an ultra high molecular weight polyethylene having a molecular weight of at least about 4.2 million.
Claims25
A container engagement member for mounting on a refuse container lifter, comprising
- a first portion for mounting to a lifter;
- a second portion which extends from said first portion to permit engagement with an engagement surface on a refuse receptacle which is to be lifted during the lifting;
- and
- wherein at least said second portion comprises a container engaging surface of polymeric material.
A refuse container lifter for mounting on a refuse collection vehicle, the lifter being movable between a retracted position and a dumping position for lifting and inverting the container, the lifter including
- an upper engagement member and a lower engagement member for engaging the refuse container when the lifter is moving toward the dumping position;
- and
- at least one of said upper and lower engagement members comprising a container engaging surface of polymeric material.
A refuse container lifter for mounting on a refuse collection vehicle, the lifter being movable between a retracted position and a dumping position for lifting and inverting the container, the lifter including
- an upper container engagement member and a lower container engagement member for engaging the refuse container when the lifter is moving toward the dumping position, at least one of said upper and lower engagement members being constructed of an ultra high molecular weight polymeric material having a molecular weight of at least about 3.1 million.
Dependencies are inferred from the claim text.