Title:
STRUCTURE OF VENT HOLE AND BOOT
Document Type and Number:
Japanese Patent JP2022120204
Kind Code:
A
Abstract:
To provide a structure of a vent hole and a boot capable of suppressing the entry of foreign substances such as water or dust from the outside without preventing the discharge of gas to the outside, and capable of suppressing the outflow of a grease and the like.SOLUTION: A vent hole 115 is provided on a surface on an inner peripheral side of a first fixing portion 111 fixed to an outer peripheral surface of a first axial member 200 of a boot body 110 made of an elastic body, and can discharge gas in the boot 100 to the outside. On a surface of the vent hole 115, a plurality of projections with different size is provided.SELECTED DRAWING: Figure 2
More Like This:
| JP2000205291 | BOOT FOR UNIVERSAL JOINT |
| JP4657897 | Seal structure |
Inventors:
HIROTA TAKUMA
Application Number:
JP2019080042A
Publication Date:
August 18, 2022
Filing Date:
April 19, 2019
Export Citation:
Assignee:
NOK CORP
International Classes:
F16D3/84; F16J3/04; F16J15/52
Attorney, Agent or Firm:
Hidewa Patent Office
Previous Patent: Battery packs, non-combustion inhalers, electronic devices and power tools
Next Patent: non-combustion aspirator
Next Patent: non-combustion aspirator