Grease application method, application device, and methods for manufacturing worm-type reducer, electric power steering device, automobile and variety of industrial machines
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United States of America Patent
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Nov 6, 2018
Grant Date -
Feb 15, 2018
app pub date -
Feb 22, 2016
filing date -
Mar 2, 2015
priority date (Note) -
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Abstract
The present invention relates to a grease application device in which a tip-side inclined surface of a nozzle 28 is made to closely face worm wheel teeth 11 of a shaft-mounted worm wheel 9 while rotating the shaft-mounted worm wheel 9 by means of a drive unit 12. At this state, the grease application device is configured to apply liquid grease from a tip-side opening of the nozzle 28 to the worm wheel teeth 11 of the shaft-mounted worm wheel 9 and to apply the grease while pushing the grease into concave portions of the worm wheel teeth 11. Also, the grease application device is configured to end the application of the grease at a point of time at which the shaft-mounted worm wheel has rotated one revolution with respect to the nozzle 28 after starting the application of the grease to the shaft-mounted worm wheel 9.
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