Patents Assigned to Goblin Limited
  • Patent number: 5720076
    Abstract: A vacuum cleaner has wheels which can rotate in one direction only, when the body of the cleaner is inclined to the horizontal, such as when the cleaner is disposed on a flight of stairs. A prop provides alternative or additional support by engaging the stair surface. The invention reduces the possibility of the cleaner rolling off the stair tread and falling down the stairs.
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: February 24, 1998
    Assignee: Goblin Limited
    Inventor: David Michael Clark
  • Patent number: 5697120
    Abstract: A suction tube assembly for a wet/dry cleaner comprising a suction tube (60), a shampoo delivery conduit (44,45) extending along the suction tube, a valve forming a part of the conduit and operating means (50) for the user to operate the valve whilst manipulating the suction tube, the valve comprising a valve body (18) having a tubular portion within which is located a generally tubular portion of a valve piston (38), said tubular valve piston portion having a bore in its wall to provide communication between the interior and exterior of the tubular piston portion, means (37) biasing the piston towards a position in which sealing means (32,34) between the piston and the body prevent flow of fluid beyond said piston, said piston being movable axially by the operating means against said biasing means to release said sealing means and thereby allow fluid flow.
    Type: Grant
    Filed: June 22, 1995
    Date of Patent: December 16, 1997
    Assignee: Goblin Limited
    Inventor: Leonard Robinson