A method and apparatus for positioning a manufacturing tool. A wheel assembly comprises a wheel plate and rollers. The wheel plate has a perimeter and an axis of rotation that is tiltable about a tilt axis. The rollers are arranged near the perimeter of the wheel plate, each of the rollers having an axis of rotation parallel to the tilt axis. An apparatus comprises an upper frame, a lower frame associated with the upper frame, a wedge slideably located between the upper frame and the lower frame, and a force applicator associated with the wedge.
Positioning Systems
2016-06-16
Patent
Electronic Resource
English
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge / B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
British Library Conference Proceedings | 2001
|British Library Conference Proceedings | 2001
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