Title:
ROTARY CYLINDER
Document Type and Number:
Japanese Patent JP2018025232
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a rotary cylinder capable of preventing occurrence of seizure of components and liquid spill by easily bringing a screwing amount of piping into a proper range.SOLUTION: A rotary support 4 includes a journaling part 40 to journal a rotary shaft part 2a of a cylinder body 2, and a protrusion 46 that protrudes outward from an outer peripheral surface of the journaling part 40. First fluid input-output means 12a includes: a first fluid passage part 11a whose one end is communicated with a first space 10a and whose the other end is provided with a tapered first female screw part 42 communicated with a front end surface of the protrusion 46; and first piping 9a having a tapered first male screw part 9c to be engaged with the first female screw part 42.SELECTED DRAWING: Figure 5
Inventors:
ISOHISA SATOSHI
FUJIMURA TOSHIMASA
FUJIMURA TOSHIMASA
Application Number:
JP2016156819A
Publication Date:
February 15, 2018
Filing Date:
August 09, 2016
Export Citation:
Assignee:
KITAGAWA IRON WORKS CO
International Classes:
F16J10/00; B23B31/30
Attorney, Agent or Firm:
Maeda patent office