Title:
BOOTS FOR BALL JOINTS, AND RACK AND PINION TYPE STEERING DEVICE USING THE BOOTS FOR BALL JOINTS
Document Type and Number:
Japanese Patent JP2020051602
Kind Code:
A
Abstract:
To provide boots for ball joints, and a rack and pinion type steering device using the boots for ball joints, in which the interference between the boots and the ball joints as well as the interference between the rack housing and the rack are reduced so as to suppress the wear of the entire boots.SOLUTION: A bellows part 55 may be constricted into a small diameter at a predetermined position in the cylinder axis direction, and is provided with an intermediate connection part 60 that connects to an outer periphery of a ball joint 3. A bellows region near one end side connection part 51 relative to the intermediate connection part 60 as a boundary is defined as a first region A1 that absorbs the axial displacement of a rack 88b, and a bellows region near the other end side connection part 53 is defined as a second region A2 that absorbs the angular displacement of a tie rod 89.SELECTED DRAWING: Figure 3
Inventors:
MORIYAMA SEIICHI
NAKAO KEISUKE
NAKAO KEISUKE
Application Number:
JP2018184629A
Publication Date:
April 02, 2020
Filing Date:
September 28, 2018
Export Citation:
Assignee:
NSK LTD
International Classes:
F16J3/04; B62D3/12; F16C11/06; F16J15/52