JPH01128405U

JPH01128405U -

Info

Publication number: JPH01128405U
Application number: JP2563888U
Authority: JP
Priority date: 1988-02-26
Filing date: 1988-02-26
Publication date: 1989-09-01

Description

[Brief explanation of the drawing]

第１図及び第２図は本考案の第１実施例を示し
、第１図は断面図、第２図は要部斜視図、第３図
は本考案の第２実施例を示す要部斜視図、第４図
は本考案の第３実施例を示す断面図である。１……トレツド部、９……溝、１１……中央部
ブロツク、１２，１３……第１、第２側部ブロツ
ク、１６……通常接地部、１７……軟弱地用接地
部、１８……延長面。 1 and 2 show a first embodiment of the present invention, FIG. 1 is a sectional view, FIG. 2 is a perspective view of the main part, and FIG. 3 is a perspective view of the main part showing the second embodiment of the invention. FIG. 4 is a sectional view showing a third embodiment of the present invention. DESCRIPTION OF SYMBOLS 1...Tread part, 9...Groove, 11...Central block, 12, 13...First and second side blocks, 16...Normal grounding part, 17...Grounding part for soft ground, 18... ...extended surface.

Claims

[Scope of Claim for Utility Model Registration] In the tread portion 1, a large number of blocks 11, 12, 13 protruding outward in the tire radial direction are arranged in the tire axial direction and circumferential direction, and the outermost block in the tire axial direction A normal ground contact part 16 which is located on the inner side in the tire axial direction and normally contacts the ground, and a soft ground block 13 which protrudes outward from the normal ground contact part 16 in the tire axial direction and makes contact with the soft ground. It has a ground contact part 17, and the upper surface of the soft ground contact part 17 is arranged closer to the center in the tire radial direction than the extension surface 18 of the upper surface of the normal ground contact part 16 extending outward in the tire axial direction. The structure of the tread portion of a tire.