Title:
PROCESSING TOOL
Document Type and Number:
WIPO Patent Application WO/2023/149436
Kind Code:
A1
Abstract:
Provided is a processing tool with which there is little wear between a main body drive shaft (14) and a drive shaft (5), even if the main body drive shaft (14) tilts. This processing tool comprises: an upper shaft body (6) which is attached to a host device and to which torque is transmitted; a drive shaft (5) inserted into the upper shaft body (6) and extending on the same axis; a main body drive shaft (14) attached to a tip side of the drive shaft (5); a holder (15) inserted into a tip side of the main body drive shaft (14) and fitted with a blade tool (9); a spherical bearing (4) tiltably supporting the outside of the main body drive shaft (14); a center steel ball (7) provided so as to be sandwiched between a recess in the tip center of the drive shaft (5) and a recess in the opposing rear end center of the main body drive shaft (14); and a plurality of axial steel balls (10) provided in a long groove (11) on the drive shaft (15) tip outer periphery and a hole 18 in the main body drive shaft (14).
Inventors:
MATSUMOTO HIROKAZU (JP)
Application Number:
PCT/JP2023/003099
Publication Date:
August 10, 2023
Filing Date:
January 31, 2023
Export Citation:
Assignee:
KATO MFG CO LTD (JP)
International Classes:
B23D79/00; B23C3/12
Foreign References:
| JPH05131327A | 1993-05-28 | |||
| GB2097299A | 1982-11-03 | |||
| JP2019111593A | 2019-07-11 | |||
| JP2001287122A | 2001-10-16 | |||
| JP2001328066A | 2001-11-27 | |||
| JP2005349549A | 2005-12-22 |
Attorney, Agent or Firm:
KYOSEI INTERNATIONAL PATENT OFFICE (JP)
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