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US 5,167,168 AGranted
Driving gear for a muscle power driven vehicle, such as a wheel chair
AssigneeRevab B.V.
InventorAnton H. Beumer
Life of this patent
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AssigneeRevab B.V.
InventorAnton H. Beumer
Estimating the term…
A driving gear for a muscle power driven vehicle, such as a wheel chair, comprising an input shaft drivable by means of a lever, and adapted to be coupled through at least two freewheel clutches to an output shaft arranged to be connected to a wheel hub of the vehicle, wherein the driving gear (4) is housed in a closed housing (11, 12) which is arranged to be coupled through said output shaft (22) to the wheel hub (5) of the vehicle, said input shaft (7) being fixedly coupled to an input gear wheel (14) meshing with two separate intermediate gear wheels (16, 16') adapted to be connected through freewheel clutches operative in opposite directions of rotation to one (20) or the other (20') of two meshing change gear wheels, one of which also meshes with a first output gear wheel (21) mounted on the output shaft.
In a driving gear for a muscle power driven vehicle comprising an input shaft drivable by means of a lever, and adapted to be coupled through at least two freewheel clutches to an output shaft arranged to be connected to a wheel hub of the vehicle, the improvement which comprises that the driving gear is housed in a closed housing which is arranged to be coupled through said output shaft to the wheel hub of the vehicle, said input shaft being fixedly coupled to an input gear wheel meshing with two separate intermediate equally sized gear wheels adapted to be connected through freewheel clutches operative in opposite directions of rotation to one or the other of two meshing equally sized change gear wheels, one of which also meshes with a first output gear wheel mounted on the output shaft.
Dependencies are inferred from the claim text.