Toy work vehicle having power take-off

Details Toy work vehicle having power take-off Toy work vehicle having power take-off

1984-09-18

1986-01-21

Shay, F. Barry

Amusement devices: toys

Material or article handling device

On wheeled vehicle

446443, 446462, 446484, A63H 1714, A63H 2922

Patent

active

045655383

ABSTRACT:
A toy work vehicle propelled by a bi-directional d-c motor in a forward or reverse direction depending on the polarity of battery voltage applied thereto, the vehicle including a power take-off device driven by the same motor to raise or lower a load. A gear shift mechanism operatively coupled either to the wheel axles or to the power take-off device, is controlled by a shift stick which in neutral operatively couples the motor only to the power take-off device. The shift stick is movable to a lateral position having a forward and a reverse mode in which the motor is operatively coupled to the wheel axles. The shift stick also cooperates with a slide carrying the movable contacts of a polarity-reversing switch connecting the battery to the motor such that when the stick is in neutral the motor is disconnected; when the stick is in the forward mode, the battery voltage is applied in a polarity causing forward motion of the wheels; and when the stick is in the reverse mode, the polarity is reversed to cause reverse wheel motion. Coacting with the switch slide is a power take-off lever having a foward and back position such that when the shift stick is in neutral and the lever is in its forward mode, this causes the motor to drive the power take-off device to raise the load, and when the shift stick is in neutral and the lever is in its back mode, this causes the device to lower the load.

REFERENCES:
patent: 3475854 (1969-11-01), Ryan et al.
patent: 3786597 (1974-01-01), Sano
patent: 4467557 (1984-08-01), Kuna et al.
patent: 4479327 (1984-10-01), Wakimura

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