Title:
SHUTTER STRUCTURE OF ROLLING PASSAGE FOR PACHINKO GAME BALL
Document Type and Number:
Japanese Patent JP2020039763
Kind Code:
A
Abstract:
To provide a shutter structure of a rolling passage for a pachinko game ball in which responsiveness of shutter operation can be increased without enlarging a solenoid.SOLUTION: A shutter structure includes a rolling passage 3 for a pachinko game ball, a shutter member 4 for opening and closing the rolling passage 3, a spring member 35 for energizing the shutter member 4 toward a closed position, and a solenoid 5 for moving the shutter member 4 from the closed position to an open position. The spring member 35 comprises a first helical compression spring 36 having a length being relatively long, and a second helical compression spring 37 having the length being relatively short. When the shutter member 4 starts movement from the closed position toward the open position, only the spring force of the first helical compression spring 36 is applied to the shutter member 4. When the shutter member 4 starts movement from the open position toward the closed position, the spring force of the first and second helical compression springs 36, 37 is applied to the shutter member 4.SELECTED DRAWING: Figure 1
Inventors:
YAMAGUCHI TAKAHIRO
Application Number:
JP2018171132A
Publication Date:
March 19, 2020
Filing Date:
September 13, 2018
Export Citation:
Assignee:
SAXA INC
International Classes:
A63F7/02
Domestic Patent References:
| JPH11156033A | 1999-06-15 | |||
| JP2001149600A | 2001-06-05 | |||
| JPS6052435U | 1985-04-12 | |||
| JP2014230720A | 2014-12-11 |
Attorney, Agent or Firm:
Shigeki Yamakawa
Masaki Yamakawa
Masaki Yamakawa