US 12,281,672 B2
Opening/closing device
Satoi Ogawa, Ota Tokyo (JP); Satoshi Marushima, Kawasaki Kanagawa (JP); Yoshiaki Ohda, Yokohama Kanagawa (JP); Tooru Inoue, Yokohama Kanagawa (JP); Tomohiro Hasegawa, Kawasaki Kanagawa (JP); and Norimitsu Kato, Yokohama Kanagawa (JP)
Assigned to Kabushiki Kaisha Toshiba, Tokyo (JP); and Toshiba Energy Systems & Solutions Corporation, Kawasaki (JP)
Filed by Kabushiki Kaisha Toshiba, Tokyo (JP); and Toshiba Energy Systems & Solutions Corporation, Kawasaki Kanagawa (JP)
Filed on Jan. 3, 2023, as Appl. No. 18/149,634.
Application 18/149,634 is a continuation of application No. PCT/JP2020/031764, filed on Aug. 24, 2020.
Prior Publication US 2023/0160416 A1, May 25, 2023
Int. Cl. F16C 3/12 (2006.01); F16F 15/129 (2006.01)
CPC F16C 3/12 (2013.01) [F16F 15/1297 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An opening/closing device comprising:
a first movable contact accommodated in a first container;
a first transmission mechanism connected to the first movable contact;
the first container configured to accommodate at least the first movable contact;
a second movable contact accommodated in a second container;
a second transmission mechanism connected to the second movable contact;
the second container configured to accommodate at least the second movable contact and aligned with the first container;
a third movable contact accommodated in a third container;
a third transmission mechanism connected to the third movable contact;
the third container configured to accommodate at least the third movable contact and aligned with the second container;
a crankshaft configured to operate the first transmission mechanism, the second transmission mechanism, and the third transmission mechanism and change the first movable contact, the second movable contact, and the third movable contact from a closed state to an open state;
an operating mechanism disposed on a side of the first transmission mechanism and configured to rotate the crankshaft; and
a shock absorbing mechanism disposed on a side of the third transmission mechanism and configured to absorb a shock of rotational movement of the crankshaft by stopping movement in a rotating direction of a shock absorbing mechanism crank lever rotating in a same direction as a rotating direction of the crankshaft.