Patents Assigned to Laycock Bros. Limited
  • Flush control
    Patent number: 4471498
    Abstract: Apparatus for controlling the flushing of a lavatory, for example in a mens urinal, comprises a source of water for flushing, a flush control valve SV wherein the valve is actuated in response to the usage of the lavatory, for example by means of door switch DS. In order that over-use of the device should be prevented in busy periods, a delay circuit D1 is provided to prevent a second actuation of the water supply solenoid valve within a preset period from a first actuation.
    Type: Grant
    Filed: January 8, 1982
    Date of Patent: September 18, 1984
    Assignee: Laycock Bros. Limited
    Inventor: Derek Robertshaw