Title:
ダイセット装置
Document Type and Number:
Japanese Patent JP7293146
Kind Code:
B2
Abstract:
A lift mechanism of a die set apparatus includes a guide pin, a linear motion guide member, a first washer, a second washer, a first coil spring, and a second coil spring. A first positioning portion and a second positioning portion control a first end turn portion and a second end turn portion from moving in a radial direction of the guide pin in a state where a first gap is formed between the first coil spring and the guide pin. A third positioning portion and a fourth positioning portion control a third end turn portion and a fourth end turn portion from moving in the radial direction of the guide pin in a state where a second gap is formed between the second coil spring and the guide pin.
Inventors:
Sou Kurebayashi
Naoki Iwamoto
Naoki Iwamoto
Application Number:
JP2020017781A
Publication Date:
June 19, 2023
Filing Date:
February 05, 2020
Export Citation:
Assignee:
Nippon Jojo Co., Ltd.
International Classes:
B21D37/10; B21D37/14
Domestic Patent References:
| JP2011161471A | ||||
| JP2018153826A | ||||
| JP61256019A | ||||
| JP2019143715A | ||||
| JP201680159A |
Foreign References:
| US4003283 |
Attorney, Agent or Firm:
Suzue International Patent Office