A wheel assembly 16 comprising wheel 22, actuator 24, and attachment means 26 to a load-bearing platform (14, Fig. 1). Actuator 24 can move attachment means 26 vertically by more than 10mm, be linear and/or electro-mechanical, and be surrounded by housing 44. Attachment means 26 may comprise mounting plate 59 and mechanical fasteners, and be arranged so that wheel assembly 16 is at an acute angle to the platform (14, Fig. 1). Wheel connector 32 may be attached to actuator 24 and wheel axle 28. Also provided is a trolley (10, Fig. 1) or wheelbarrow with wheel assembly 16 and a load-bearing platform (14, Fig. 1). Further provided is a method of manufacturing wheel assembly 16, and a method of using actuator 24 to adjust the height of a load (12, Fig. 1), of mass 2-500kg, above wheel axle 28.
Height-adjustable wheel assembly
2019-02-27
Patent
Electronic Resource
English
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS / B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |