B - Operations – Transporting – 60 – F
Patent
B - Operations, Transporting
60
F
B60F 3/00 (2006.01) B62D 61/12 (2006.01)
Patent
CA 2129851
2129851 9315923 PCTABS00024 A vehicle has a wheel (10) which is movable between a lower position in which it can be used, and a raised position for storage, by a wheel retraction mechanism (14). The retraction mechanism comprises a support element (48) connected to the wheel via a coupling on the element and includes a rotary member movable by a chain (50) drive for moving the element in a path encompassing a highest position of the coupling, a lowest position of the coupling, a downward return beyond the highest position and an upward return beyond the lowest position. The mechanism includes respective abutment stops (56, 58) disposed in the path of the element on the downward and upward returns to block further movement of the element with the coupling over-centred. This supports the wheel in both the raised and lowered positions against the prevailing forces on the element. An additional independent locking system for the extreme positions of the retraction mechanism is also disclosed.
Cardox Limited
Long And Cameron
Royle David Albert Cyril
LandOfFree
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