Implements or apparatus for applying pushing or pulling force – Inclined plane lifter
Patent
2000-01-07
2000-10-24
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Inclined plane lifter
E02C 300
Patent
active
061354201
ABSTRACT:
A portable vehicle wheel raising ramp for providing a ramp assembly highly useful for raising a wheel of a tandem wheel vehicle. The portable vehicle wheel raising ramp includes a pair of ramp portions. Each of the ramp portions comprises a ramp member having a bottom for resting on a ground surface. The bottom defines a first plane. An inclined wall defines a plane oriented at an angle with respect to the first plane. A resting wall defines a plane oriented substantially parallel to the first plane. The ramp members are pivotally connected together. A pivot structure connects the ramp members in a manner permitting pivoting about an axis lying in the first plane. The ramp members are adapted to pivot between an operative position and a storage position. A latch structure is for holding the ramp members in the storage position. A locking structure is for locking the ramp members in the operative position. A lip is formed on each of the ramp portions for resisting rolling movement of a wheel from an upper surface of the resting wall onto an upper surface of the inclined wall.
REFERENCES:
patent: 1189632 (1916-07-01), Seitz
patent: 1505894 (1994-03-01), Irving
patent: 2012635 (1935-08-01), Paden
patent: 5297605 (1994-03-01), Littell
patent: 5341533 (1994-08-01), Seitz
Jennings Larry C.
Johnston Wayne L.
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