Title:
ロックナットの弛緩締結機構および弛緩締結方法
Document Type and Number:
Japanese Patent JP7103877
Kind Code:
B2
Abstract:
To provide a loosening/fastening mechanism of a lock nut which can be introduced at low cost without modifying an existing mill and does not need to use a large apparatus.SOLUTION: A loosening/fastening mechanism M includes: a ring gear 2 having a tooth part 23 at an outer periphery; a transmission member 3 which engages with the tooth part 23 of the ring gear 2; a drive device 4 which rotates the ring gear 2; and a reaction force receiver 5 which is fixed to a mill 1 near the outer periphery of the ring gear 2. The drive device 4 is driven to cause the transmission member 3 to rotate the ring gear 2 and thereby loose or fasten a lock nut N fixed to the ring gear 2.SELECTED DRAWING: Figure 1
Inventors:
Mao Kudo
Kimura Hideharu
Sosuke Sakanoshita
Tatsuhiko Hara
Kimura Hideharu
Sosuke Sakanoshita
Tatsuhiko Hara
Application Number:
JP2018128306A
Publication Date:
July 20, 2022
Filing Date:
July 05, 2018
Export Citation:
Assignee:
Nittetsu Tex Engineering Co., Ltd.
International Classes:
B21B31/10
Domestic Patent References:
| JP60056103U | ||||
| JP53066099A | ||||
| JP4041134A | ||||
| JP11199134A |
Foreign References:
| WO2003031088A1 |
Attorney, Agent or Firm:
Asahina Patent Office
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