Auto correction device for wearing end play in worm gear set

Details Auto correction device for wearing end play in worm gear set Auto correction device for wearing end play in worm gear set

1993-07-22

1995-02-28

Herrmann, Allan D.

Machine element or mechanism

Gearing

Directly cooperating gears

74402, 74409, F16H 5524

Patent

active

053926668

ABSTRACT:
An auto correction device for wearing end play in worm gear set has a correction worm gear, two linking gears and auxiliary linking gears to help power transmission in a smooth manner. The correction worm gear further includes a threaded thrust block, an auxiliary linking gear, a thrust plate, an expansion spring and a base plate. The thrust of the expansion spring against the thrust plate enables the displacement of the auxiliary linking gear and threaded thrust block to thrust against the correction worm gear to impose a force upon transmission gear to enable the transmission gear to lean tightly against the worm gear. Thus, wearing end play between the worm gear and the correction worm gear is eliminated.

REFERENCES:
patent: 1274918 (1918-08-01), Maag
patent: 3330165 (1967-07-01), Ishikawa et al.

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