JPS54140303A - Tire for uneven ground - Google Patents

Tire for uneven ground

Info

Publication number
JPS54140303A
JPS54140303A JP4752678A JP4752678A JPS54140303A JP S54140303 A JPS54140303 A JP S54140303A JP 4752678 A JP4752678 A JP 4752678A JP 4752678 A JP4752678 A JP 4752678A JP S54140303 A JPS54140303 A JP S54140303A
Authority
JP
Japan
Prior art keywords
tire
portions
projection
rigidity
tread
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP4752678A
Other languages
Japanese (ja)
Other versions
JPS5724244B2 (en
Inventor
Tadashi Kamiya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP4752678A priority Critical patent/JPS54140303A/en
Priority to US06/031,434 priority patent/US4267872A/en
Priority to FR7909881A priority patent/FR2423355A1/en
Priority to DE19792916162 priority patent/DE2916162A1/en
Publication of JPS54140303A publication Critical patent/JPS54140303A/en
Publication of JPS5724244B2 publication Critical patent/JPS5724244B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Tires In General (AREA)

Abstract

PURPOSE:To improve driving force by obtaining sufficient tire tread pressure on uneven ground, by alternatively forming portions with high rigidity and portions with low rigidity, which indentation quantities in the tire inner diameter direction differ when a tire contacts the earth, in the tire circumferential direction. CONSTITUTION:This tire 20 for uneven ground is provided with a tread pattern shown in the development drawing, and produced by symmetrically disposing a number of projections onto a center line N-N of the tire in a tread portion 20a of the tire 20. The tread portion 20a is equipped with a central projection portion 21 arranged onto the center line N-N, four block-like projection portions 22 - 25 disposed to each vertex of a quadrilateral (a) surrounding the projection portion 21 and projection portions 26, 27 arranged to the outsides of outside projection portions 22 - 25 on a line (b) passing through the central projection portion 21, and formed from portions A, in which the rigidity of the tread portion 20a is made lower than the mean of the whole tire, and portions B, which are provided with lateral long projection portions 28 and projection portions 29 - 32 and which rigidity is made higher.
JP4752678A 1978-04-20 1978-04-21 Tire for uneven ground Granted JPS54140303A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4752678A JPS54140303A (en) 1978-04-21 1978-04-21 Tire for uneven ground
US06/031,434 US4267872A (en) 1978-04-20 1979-04-19 Vehicle tire with tread having circumferentially varying rigidity
FR7909881A FR2423355A1 (en) 1978-04-20 1979-04-19 ADVANCED PNEUMATIC WRAP
DE19792916162 DE2916162A1 (en) 1978-04-20 1979-04-20 VEHICLE TIRES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4752678A JPS54140303A (en) 1978-04-21 1978-04-21 Tire for uneven ground

Publications (2)

Publication Number Publication Date
JPS54140303A true JPS54140303A (en) 1979-10-31
JPS5724244B2 JPS5724244B2 (en) 1982-05-22

Family

ID=12777557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4752678A Granted JPS54140303A (en) 1978-04-20 1978-04-21 Tire for uneven ground

Country Status (1)

Country Link
JP (1) JPS54140303A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59220405A (en) * 1983-05-28 1984-12-11 Honda Motor Co Ltd Motorcycle tire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59220405A (en) * 1983-05-28 1984-12-11 Honda Motor Co Ltd Motorcycle tire

Also Published As

Publication number Publication date
JPS5724244B2 (en) 1982-05-22

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