Title:
TAP SWITCHING APPARATUS USED IN LOADING CASE
Document Type and Number:
Japanese Patent JP2017017107
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To prevent a small tap switching apparatus used in loading case with a simple structure.SOLUTION: A tap switching apparatus used in loading case, comprises: a cam mechanism that arranges a plurality of vacuum switches 11 and 12 and a limit resistor 13 constructing a same phase on a changeover switch plate 52 rotated by a driving shaft 6 cooperated with an output axis 5 of a spring accumulation drive mechanism 4 in a horizontal state, and is operated by the rotation of driving shaft; and an arm member reciprocated by the cam mechanism; a changeover switch 10 that opens/closes the vacuum switch by the reciprocation of arm member and switches a current in a tap switching step; and a tap selector 20 that is operated in synchronization with the open/close operation of the changeover switch. The tap selector includes movable contact 56, 59, and 66 provided in a lower side of changeover switch plate and a plurality of fixed contacts arranged on a tap selector plate 51, and the movable contacts are conducted with a predetermined fixed contact.SELECTED DRAWING: Figure 1
Inventors:
MASUO YUJI
IWATA MINORU
OKAJIMA NOBUHIRO
IKEDA HIROTAKA
IWATA MINORU
OKAJIMA NOBUHIRO
IKEDA HIROTAKA
Application Number:
JP2015130198A
Publication Date:
January 19, 2017
Filing Date:
June 29, 2015
Export Citation:
Assignee:
TAKAOKA TOKO CO LTD
International Classes:
H01F29/04
Domestic Patent References:
| JP2001217130A | 2001-08-10 | |||
| JPH11329871A | 1999-11-30 | |||
| JP2004023026A | 2004-01-22 | |||
| JP2004039958A | 2004-02-05 | |||
| JPH07220956A | 1995-08-18 |
Attorney, Agent or Firm:
Shinichi Matsui