Gear connecting arrangement

Details Gear connecting arrangement Gear connecting arrangement

1977-11-04

1979-04-24

Gerin, Leonard H.

Machine element or mechanism

Gearing

Directly cooperating gears

74439, 101181, F16H 112, B41F 516

Patent

active

041505891

ABSTRACT:
In a transport roller rack for automatic film developing machines, power gears supply the main flow of power to the rack, and cluster drive gears are coaxially rotated by the power gears to tap off fractions of the main power and supply these fractions to clusters of gears which in turn drive transport rollers.
Coaxial gear units are used at the power tap off point. Each unit has a plurality of axially displaced portions, one constituting the power gear, another the cluster drive gear. The unit is supported by a shaft for axial rotation, but the construction of the unit is such that the shaft need not be relied upon to transmit the coaxial rotation from power gear to cluster drive gear.
Such a coaxial gear unit greatly simplifies the construction and also leads to smoother operation with less risk of damage to the film.

REFERENCES:
patent: 1677472 (1928-07-01), Fuchs
patent: 3841216 (1974-10-01), Huffman
patent: 3952610 (1976-04-01), Hope et al.
patent: 4079635 (1978-03-01), Hope et al.

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