Title:
SPRING SHEET MEMBER AND SPRING ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2016/157881
Kind Code:
A1
Abstract:
Provided are a spring sheet member and a spring assembly that control falling of a coil spring and core misalignment between the coil spring and the spring sheet member and that can respond with one type of spring sheet member. The present invention is characterized in that multiple connector parts (17a), (17b) are arranged separated in a sheet circumferential direction and elastic parts (21a), (21b) comprise base parts (21aa), (21ba) bonded with the connector parts (17a), (17b) and elastic piece parts (21ab), (21bb) that extend from the base parts (21aa), (21ba) in a cantilevered state in the sheet circumferential direction and that are elastically deformable in a sheet radial direction, wherein axial slits (23a), (23b) are provided between each of the elastic parts (21a), (21b) and in a free state, the diameter of a first virtual circle that circumscribes each of the elastic piece parts (21ab), (21bb) is set so as to exceed the diameter of a second virtual circle that circumscribes each of the base parts (21aa), (21bb).
Inventors:
AMANO TANEHIRA (JP)
KATSUUMI TAKAYUKI (JP)
ARAKI TOSHIMITSU (JP)
KAZAMA TOSHIO (JP)
TERAKADO NAOKI (JP)
SUZUKI HITOSHI (JP)
TADOKORO TAKU (JP)
KATSUUMI TAKAYUKI (JP)
ARAKI TOSHIMITSU (JP)
KAZAMA TOSHIO (JP)
TERAKADO NAOKI (JP)
SUZUKI HITOSHI (JP)
TADOKORO TAKU (JP)
Application Number:
PCT/JP2016/001781
Publication Date:
October 06, 2016
Filing Date:
March 28, 2016
Export Citation:
Assignee:
NHK SPRING CO LTD (JP)
International Classes:
F16F1/12; F16F15/134
Domestic Patent References:
| WO2012121072A1 | 2012-09-13 |
Foreign References:
| JP2009185893A | 2009-08-20 | |||
| JPH0430A | 1992-01-06 | |||
| JP2002372099A | 2002-12-26 | |||
| DE102009005073A1 | 2009-08-13 |
Attorney, Agent or Firm:
SUDO, Yuichi (JP)
Yuichi Sudo (JP)
Yuichi Sudo (JP)
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