Title:
ダイヤル装置、およびこれを用いた回路遮断器
Document Type and Number:
Japanese Patent JP6641251
Kind Code:
B2
Abstract:
A dial device for a circuit breaker is obtained which maintains the engagement of a dial with a rotary switch without idling. The dial device (7) according to the invention is characterized by including a rotary switch (18) accommodated in a unit case (22); a dial (17) having: a knob portion (25) that is cylindrical and is disposed on the rotary switch, a wrist portion (29) that extends in a circumferential direction along the outer peripheral portion of the knob portion, is fixed to the outer peripheral portion of the knob portion at one end portion the knob (26) and has a protrusion (26) facing the upper direction at the other end portion, and an engagement portion (28) that engages with the rotary switch on the lower surface of the dial; and a unit cover (21) that is engaged with the unit case, formed with a circular hole (24) through which the knob portion of the dial penetrates and pressed by the protrusion formed at the wrist portion of the dial.
Inventors:
Tatsuyuki Tsukamoto
Application Number:
JP2016151652A
Publication Date:
February 05, 2020
Filing Date:
August 02, 2016
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H01H71/74; H01H73/02
Domestic Patent References:
| JP2015096027A | ||||
| JP61141728U | ||||
| JP61114634U | ||||
| JP2007273159A | ||||
| JP2002057004A | ||||
| JP7141979A | ||||
| JP59063404U |
Foreign References:
| US4638133 |
Attorney, Agent or Firm:
Jun Takamura