Positive engagement clutch

Details Positive engagement clutch Positive engagement clutch

1974-02-28

1976-06-01

Scott, Samuel

192 clutches and power-stop control

Clutches

Axially engaging

192 481, 192 46, 192 34, F16D 1322, F16D 4300

Patent

active

039602532

ABSTRACT:
A heavy duty dog clutch has co-axial driving and driven shaft elements each with a toothed connection to an intermediate sleeve that is axially displaceable to make and release one of said connections. The toothing of the releasable connection is helically formed so that a given direction of driving torque tends to screw together the helical toothing. One of the shaft elements is capable of axial displacement by the reaction to said torque in the helical toothing and this causes a pair of abutment surfaces on the shaft elements to bear against each other to engage the clutch fully.

REFERENCES:
patent: 1752937 (1930-04-01), Barnett
patent: 2068869 (1937-01-01), Rauen
patent: 2556678 (1951-06-01), Crafts
patent: 3154181 (1964-10-01), Sigg
patent: 3306409 (1967-02-01), Giometti
patent: 3425527 (1969-02-01), Wolf
patent: 3498151 (1970-03-01), King
patent: 3563354 (1971-02-01), Sigg
patent: 3589488 (1971-06-01), Clements
patent: 3743067 (1973-07-01), Bokovoy

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