Title:
PULLEY WIDTH ADJUSTING DEVICE FOR BELT-TYPE CONTINUOUSLY VARIABLE TRANSMISSION AND BELT-TYPE CONTINUOUSLY VARIABLE TRANSMISSION
Document Type and Number:
Japanese Patent JP2004225809
Kind Code:
A
Abstract:
To reduce operating noises and weight while securing reliability and durability by using a synthetic resin gear.
A driving gear 23 meshing with a driven gear to constitute a transmission mechanism is formed of a synthetic resin. A feed screw mechanism is constructed to displace a displacement side pulley element 16 to the axial direction. A grease composition is applied or filled in a meshing portion between a female screw 19 and a male screw 21. The used grease composition contains a urea compound or lithium complex soap as a thickening agent and mineral oil or synthetic hydrocarbon oil as base oil.
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Inventors:
YAMAZAKI MASAHIKO
Application Number:
JP2003014344A
Publication Date:
August 12, 2004
Filing Date:
January 23, 2003
Export Citation:
Assignee:
NSK LTD
International Classes:
F16H55/06; C10M101/02; C10M105/04; C10M107/06; C10M107/08; C10M115/08; C10M117/02; C10M169/02; F16H9/18; C10N10/02; C10N20/02; C10N40/04; C10N50/10; (IPC1-7): F16H9/18; C10M101/02; C10M105/04; C10M107/06; C10M107/08; C10M115/08; C10M117/02; C10M169/02; F16H55/06
Attorney, Agent or Firm:
Takeo Koyama
Nakai Shun
Kinzo Koyama
Nakai Shun
Kinzo Koyama