A spur gear 3b and a spur gear 3c are provided in portions of the roller 3.

Each shaft (18, 20) is provided with a spur gear (28) which is rotatable by means of an input spur gear (30).

A distributor gear is disposed relative to a spur gear in order to produce automatic torque balancing.

A wave gear device (1), wherein a rigid internal gear (2) is formed in a spur gear with a module m and a flexible external gear (3) is formed in a conical gear having an opening side front end with a module m.

A spur gear is mounted on the frame plate.

In the above device, a drive gear which is fixed to the output shaft of a reversible motor gears into a spur gear of the lock ring.

The rotor (6) will have an internal offset gear (14) which is engaged by a spur gear (13) on a power shaft (12).

A spur gear 1b is provided in a portion of the shaft 1.

The transmission and coupling device have a transmission, and the transmission (50) is a multi-stage spur gear mechanism (51), the gears of which are shifted by axial displacement of the intermediate shaft (15).

The invention relates to an electric drive for a mobile vehicle, said drive comprising an electric motor (1) which drives a differential (9) via a spur gear mechanism (3, 4, 6, 7).

A highly-reliable differential mechanism can be provided that is smaller and more compact than when a spur gear or bevel gear is used.

Each potentiometer shaft has a spur gear (38, 42) which meshes with a sector gear (43, 44).

Each outer crankshaft has a spur gear 450 that engages a stationary ring gear 620.

The cutting platform includes surface features that engage a spur gear.

A gear device (1) is provided with an outer cylinder (2), a crank shaft (20), a carrier for rotatably supporting the crank shaft (20), and a spur gear (18) joined to the crank shaft (20) by a spline.