Title:
SHEAR BOLT
Document Type and Number:
Japanese Patent JP2006194354
Kind Code:
A
Abstract:
To provide a shear bolt for preventing a biting trouble of a cut face portion.
The shear bolt 11 comprises a shaft 41 having a remaining shaft portion 40 remaining in a shaft-like portion of a tilling shaft during cutting and a head 42 provided at the base end of the shaft 41. Adjacent to both axial ends of the remaining shaft portion 40 on the outer peripheral face of the shaft 41, approximately V-shaped, cutting peripheral grooves 43 are symmetrically formed respectively. A groove bottom face 44 of each cutting peripheral groove 43 is inclined to be located closer to the shaft axis side of the shaft as going closer to the axial end of the remaining shaft portion 40.
More Like This:
Inventors:
AOKI OSAMU
Application Number:
JP2005006578A
Publication Date:
July 27, 2006
Filing Date:
January 13, 2005
Export Citation:
Assignee:
MATSUYAMA KK
International Classes:
F16B31/02; A01B33/08
Attorney, Agent or Firm:
樺澤 襄
Satoshi Kabazawa
Tetsuya Yamada
Shuichi Hattori
Satoshi Kabazawa
Tetsuya Yamada
Shuichi Hattori
Previous Patent: LOGIC VALVE, COMPOSITE VALVE AND HYDRAULIC SYSTEM
Next Patent: ELECTRIC LINEAR ACTUATOR AND ELECTRIC BRAKE DEVICE
Next Patent: ELECTRIC LINEAR ACTUATOR AND ELECTRIC BRAKE DEVICE