Title:
LEVER DEVICE
Document Type and Number:
Japanese Patent JP2021084212
Kind Code:
A
Abstract:
To provide a lever device improving fastening of a bolt or a nut, or operability at fastening.SOLUTION: A lever device 100 is equipped with a bolt 110, a nut, and a first plate 130 and a second plate 140 extending in an intersecting direction intersecting an axis of the bolt. The lever device is configured so that while a second end portion 132 of the first plate and a fourth end portion 142 of the second plate are separated from each other in an axis direction, when the first plate and the second plate are relatively moved in a direction bringing the second end portion and the fourth end portion close to each other, the first plate rotates about a support point 146 located between a first engaging portion 133 and the second end portion in the intersecting direction, is displaced from an engaging position where the first engaging portion and a non-circular portion 122 of the bolt or the nut engage, to a non-engaging position where the first engaging portion and the non-circular portion are not engaged, and releases restriction of the relative rotation of the first plate with respect to the non-circular portion.SELECTED DRAWING: Figure 6
Inventors:
INAYOSHI HIROTOMO
KOREKAWA HIROTO
YAMASHITA YUTA
MURAKAMI MASAKI
KOREKAWA HIROTO
YAMASHITA YUTA
MURAKAMI MASAKI
Application Number:
JP2019216879A
Publication Date:
June 03, 2021
Filing Date:
November 29, 2019
Export Citation:
Assignee:
MAKITA CORP
International Classes:
B23D47/00; B23D45/16; B27B9/02
Attorney, Agent or Firm:
Yuchi International Patent Office
Ayumu Terawaki
Yoichi Ito
Fujita Yumiko
Mitsuru Ueda
Ayumu Terawaki
Yoichi Ito
Fujita Yumiko
Mitsuru Ueda