Title:
スプリング式タイマー
Document Type and Number:
Japanese Patent JP6998830
Kind Code:
B2
Abstract:
This spring-type timer 10 has: an outer tube 11 to which a piston rod 18 is attached; and a rotatable inner tube 21, wherein a liquid circulation chamber 36 inside the inner tube 21 is divided, by a piston assembly 35, into a front liquid chamber 36a and a rear liquid chamber 36b. A bypass passage 51 that communicates the front liquid chamber 36a and the rear liquid chamber 36b is provided between the outer tube 11 and the inner tube 21. A communication hole 54 that changes the opening degree of the bypass passage 51 according to the rotation of the inner tube 21 is formed in the inner tube 21, and the forward movement speed at which the piston rod 18 moves toward a forward limit position is set according to the opening degree of the communication hole 54.
More Like This:
| WO/2018/026823 | DOOR CLOSER |
| WO/2004/003412 | SLIDE VALVE |
Inventors:
Yuta Omura
Application Number:
JP2018098025A
Publication Date:
January 18, 2022
Filing Date:
May 22, 2018
Export Citation:
Assignee:
Koganei Co., Ltd.
International Classes:
E05F3/12; E05F3/04; F16F9/34; F16F9/44
Domestic Patent References:
| JP57042235U | ||||
| JP51110835A | ||||
| JP8177924A | ||||
| JP58041881U |
Attorney, Agent or Firm:
Tsutsui International Patent Office