Dual drive transmission

Details Dual drive transmission Dual drive transmission

1996-08-20

1998-04-14

Lorence, Richard M.

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

74422, 68 237, F16H 1908

Patent

active

057379653

ABSTRACT:
A transmission is provided for converting rotary input into an oscillating output. The transmission includes a housing with an input shaft and an output shaft, and a series of gears interconnecting the shafts. The gears include a pair of rack gears on opposite sides of an output pinion mounted on the output shaft. The rack gears are held in meshing engagement with the output pinion by a carrier which is mounted upon a floating bushing on the output shaft. The floating bushing allows the rack gears and rack carrier to move side-to-side relative to the output shaft, thereby equalizing the load on the rack gears and preventing binding between the teeth of the rack gears and the teeth of the output pinion.

REFERENCES:
patent: 2161604 (1939-06-01), Watts
patent: 2222329 (1940-11-01), Watts
patent: 5088581 (1992-02-01), Duve

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