Title:
SPEED REDUCING MECHANISM, AND LUBRICATION METHOD
Document Type and Number:
Japanese Patent JP2009036238
Kind Code:
A
Abstract:
To keep a good lubrication state by returning lubricant dropped from a tooth flank to the tooth flank with a simple structure.
In a speed reducing mechanism 2 having a sector-shaped worm wheel 17 having a less rotation range than one rotation, grease dropped from the tooth flank is collected in a round hole 21. A cam 17a formed on the worm wheel 17 moves a piston 20 forward to push out the grease collected in the round hole 21 is extruded to a circulating passage 23, thereby returning the grease to the tooth flank of the worm shaft 12.
Inventors:
SUGAWARA NAOTO
IMAMURA MASAYUKI
IMAMURA MASAYUKI
Application Number:
JP2007199035A
Publication Date:
February 19, 2009
Filing Date:
July 31, 2007
Export Citation:
Assignee:
NISSAN MOTOR
International Classes:
B62D5/04; B62D7/14; F16H1/16; F16H55/22; F16H57/02; F16H57/04
Attorney, Agent or Firm:
Tetsuya Mori
Yoshiaki Naito
Cui Shu Tetsu
Toru Miyasaka
Yoshiaki Naito
Cui Shu Tetsu
Toru Miyasaka
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