Title:
SPROCKET WHEEL
Document Type and Number:
Japanese Patent JP2002276773
Kind Code:
A
Abstract:
To provide a sprocket wheel that does not cause a problem of strength shortage in a key groove even when a plastic-made boss part is employed.
This sprocket wheel comprises the boss part 3 having a shaft hole and a tooth part 2 removably disposed on the outer periphery of the boss part 3, and a bush 7 is disposed in the shaft hole in the boss part 3.
Inventors:
TERAYAMA NOBORU
Application Number:
JP2001074295A
Publication Date:
September 25, 2002
Filing Date:
March 15, 2001
Export Citation:
Assignee:
HITACHI METALS TECHNO LTD
International Classes:
F16H55/30; (IPC1-7): F16H55/30
Attorney, Agent or Firm:
Yoshiaki Yamaki