Torque aided pulsed impact shift mechanism

Details Torque aided pulsed impact shift mechanism Torque aided pulsed impact shift mechanism

1985-08-13

1986-12-23

Bonck, Rodney H.

192 clutches and power-stop control

Field responsive frictional media type

192 4891, 192 51, 192 93R, 74 99A, 74378, F16D 1108, F16D 2312

Patent

active

046307192

ABSTRACT:
A cone clutch sleeve (18) on a main shaft (15) is moved axially between forward and reverse counter-rotating gears (13 and 14) by a yoke (102) having mirror-image oppositely tapered cams (108 and 109) on opposite sides thereof which are selectively rotatable to engage eccentric rings (132 and 133) on the forward and reverse gears. This engagement drives the yoke away from the one engaged gear and toward the other gear to in turn drive the clutch sleeve out of engagement with the one gear such that torque applied through the cam-engaged gear ring assists clutch disengagement of the one gear such that requisite shift force decreases as speed and torque increases. The eccentric face surface of each ring actuates the yoke and drives the sleeve member out of engagement with the one gear and into engagement with the other gear with a pulsed impact hammer effect due to the eccentricity of the face surface as it rotates in a circumferential plane about the main shaft.

REFERENCES:
patent: 4223773 (1980-09-01), Croisant et al.
patent: 4244454 (1981-01-01), Bankstahl
patent: 4257506 (1981-03-01), Bankstahl

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