Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
FRICTION FASTENING TOOL
Document Type and Number:
WIPO Patent Application WO/2012/111130
Kind Code:
A1
Abstract:
Provided is a friction fastening tool (1) capable of exerting a sufficient acceptable torque between a shaft and a rotating body while properly ensuring a rigidity with respect to a load in a thrust direction. In the friction fastening tool (1), an inner ring (5) which is fit to the shaft (2) on the outside thereof and an outer ring (6) which is fit to the inner ring (5) on the outside thereof are fit to each other in a tapered manner and disposed between the shaft (2) and a boss hole (31) of the rotating body (3), and the inner ring (5) and the outer ring (6) are fastened in a shaft line direction with a plurality of fastening bolts (7), with the result that the inner ring (5) and the outer ring (6) which are fit in the tapered manner are press-contacted to fix the rotating body (3) to the shaft (2). In the friction fastening tool (1), the inner ring (5) is threaded with a screw portion (21) which has a screw groove (50) formed on an inner circumferential surface and is provided on an outer circumferential surface of the shaft (2).

Inventors:
MOCHIZUKI KENJI (JP)
Application Number:
PCT/JP2011/053401
Publication Date:
August 23, 2012
Filing Date:
February 17, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ISEL CO LTD (JP)
MOCHIZUKI KENJI (JP)
International Classes:
F16D1/06; F16D1/09
Foreign References:
JPH0596552U1993-12-27
JPS6357820U1988-04-18
JPS5520974A1980-02-14
JP2002181136A2002-06-26
JP2010138922A2010-06-24
Attorney, Agent or Firm:
MIYAZAKI Eiji et al. (JP)
Miyazaki Eiji (JP)
Download PDF:
Claims: