Forward engagement and reverse disengagement device

Details Forward engagement and reverse disengagement device Forward engagement and reverse disengagement device

1985-07-19

1986-11-11

Staab, Lawrence

Machine element or mechanism

Gearing

Disconnecting means

74384, F16H 5700, F16H 3500

Patent

active

046215352

ABSTRACT:
A drive roll 14 carries a gear (60) that engages a reversing gear (58) driven by a planetary gear (56) on a pivot arm (50). The planetary gear (56) is driven by a sun gear (48) that rotates about the pivot axis of the pivot arm (50) and in turn is driven ultimately by a motor (30). A unidirectioal roller clutch (52) is connected between the pivot arm (50) and the sun gear (48) so as to permit relative rotation between the sun gear and the pivot arm in one direction but prevent it in the other direction. As a result, when the sun gear (48) is driven in one direction, it permits the pivot arm to remain in the position in which the planetary gear (56) engages the reversing gear (58). When the sun gear (48) is driven in the other direction, on the other hand, the pivot arm (50) is caused to pivot with rotation at the sun gear (48) to bring the planetary gear (56) out of engagement with the reversing gear (58). The drive roll (14) is therefore driven by the motor (14) wen the motor operates in one direction but is decoupled from the motor (14) when the motor is operated in the other direction.

REFERENCES:
patent: 638194 (1899-11-01), Arnold
patent: 1279501 (1918-09-01), Bijur
patent: 1373558 (1921-04-01), Guttinger
patent: 2175086 (1939-10-01), Mitchell
patent: 2191332 (1940-02-01), Wardwell
patent: 2506562 (1950-05-01), Wait

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