Patents Assigned to Waste Hoists Limited
  • Patent number: 5145305
    Abstract: A refuse collection vehicle has a pair of hoists which can be operated together to lift a large container by both hoists and which can also be operated separately for the lifting of a small container by each hoist, a hydraulic liquid circuit which includes a respective control valve for each hoist, respective inlets on the control valves are interconnected by a duct which includes a flow-restrictor to permit hydraulic liquid flow to one control valve to be supplemented at a relatively low rate from hydraulic liquid flow to the other control valve, so that to operate the hoists together both control valves are operated together.
    Type: Grant
    Filed: October 10, 1990
    Date of Patent: September 8, 1992
    Assignee: Waste Hoists Limited
    Inventor: Peter Green
  • Patent number: 4978268
    Abstract: A refuse collection vehicle has a pair of hoists at the rear of a body of the vehicle. Each hoist includes a carriage which slides up and down on guide bars. A bin-carrier is pivotally mounted on the carriage. Engagement of an element on the carrier with a fixed abutment during upward movement of the carriage causes the carrier to tip.
    Type: Grant
    Filed: June 5, 1989
    Date of Patent: December 18, 1990
    Assignee: Waste Hoists Limited
    Inventors: Hugh Winwood, Peter Green