Title:
GEAR TRAIN, TOOL UNIT AND MACHINE TOOL
Document Type and Number:
Japanese Patent JP2022116439
Kind Code:
A
Abstract:
To provide a gear train, a tool unit and a machine tool that make it easy to assemble a double-helical gear.SOLUTION: A gear train comprises a plurality of driven gears 35 which are so arranged as to engage each other. The driven gear 35 comprises: first and second helical gear parts 36, 37 which have a plurality of tooth parts 36a, 37a extending obliquely to an axis I of rotation of the driven gear 35, and are formed in mutually different bodies; and a coupling member 38 which couples the first and second helical gear parts 36, 37. The coupling member 38 couples the first and second helical gear parts 36, 37 with the tooth parts 36a, 37b dislocated in a rotating direction of the driven gear 35 between the first and second helical gear parts 36, 37. In a state in which the plurality of driven gears 35 are engaged, the coupling member 38 of one specific gear among the plurality of driven gears 35 is detached, and then the second helical gear part 37 of the specific gear is attachable to and detachable from the first helical gear part 36.SELECTED DRAWING: Figure 5
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Inventors:
TONSHO MASATO
IBI TORU
IBI TORU
Application Number:
JP2021012604A
Publication Date:
August 10, 2022
Filing Date:
January 29, 2021
Export Citation:
Assignee:
TSUGAMI KK
International Classes:
F16H1/08; B23B29/24; B23B39/16; B23Q5/04
Attorney, Agent or Firm:
Kimura Mitsuru
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