Blocking catch for castor - with foot operation to lift castor off ground when parked

摘要

The castor axle (5) supports a foot lever (7) with an eccentric cam (8) at the inner end. The cam operates on a tilt lever (9). This presses vertical block (10) to onto the ground, lifting the castors off the ground and providing a stable support. The foot lever is mounted between the double wheels and ia spring loaded (18) into the raised position. It is held in the blocking position by a ratchet. USE/ADVANTAGE - Castors for serving trolleys and furniture gives stable blocking position, load is supported vertically.