Title:
ACTUATOR
Document Type and Number:
Japanese Patent JP2017180767
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an actuator capable of adjusting a working pressure, even when the structure does not include a turn buckle.SOLUTION: An actuator 1 includes: a case 2; a spring 4 for constituting a working chamber C with a diaphragm 3 for partitioning the inside of the case 2, and for energizing the diaphragm 3 in a state of being stored in the working chamber C; a shaft 5 for sliding according to the deformation of the diaphragm 3 in a state of being connected to the diaphragm 3; and a guide 6 for supporting the shaft 5 in a state of being fixed to the case 2. The actuator also includes: a retainer plate 8 arranged so as to oppose to the diaphragm 3, and coming into contact with the spring 4; and an adjuster bolt 9 penetrating the case 2, mounted so as to be screwed with respect to the case 2 and for pressing the retainer plate 8. When the adjuster bolt 9 is turned in one direction or the other direction, the retainer plate 8 displaces and the energization force of the spring 4 can be adjusted.SELECTED DRAWING: Figure 4
Inventors:
MATSUI KUNINOBU
Application Number:
JP2016071841A
Publication Date:
October 05, 2017
Filing Date:
March 31, 2016
Export Citation:
Assignee:
TAIHO KOGYO CO LTD
International Classes:
F15B15/10; F02B37/18
Attorney, Agent or Firm:
Yanouchi Foreign Patent Office