IP Library Granted Patent US 9,925,913
Granted Patent B2
US 9,925,913 · App. 15/315,109 · Granted Mar 27, 2018

Tractor headlight device

Inventors: Junko Kudou (Osaka, JP); Yoshiaki Kurokawa (Osaka, JP)
Assignee: YANMAR CO., LTD.
B60Q1/0458F21S8/10F21S48/10B60Q1/04B60Q1/0408B60Y2200/221
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Quick Facts
Patent No.
US 9,925,913
App. No.
15/315,109
Granted
Mar 27, 2018
Kind
B2
Abstract

A tractor headlight device according to the present invention is configured from a pair of high-beam units and a pair of low-beam units, wherein the high-beam units and the low-beam units are respectively disposed at top and bottom. High-beam lamp lenses configuring the high-beam units are formed extending from the front to the sides of a hood. Low-beam lamp lenses configuring the low-beam units are formed along a front grill under the high-beam units.

Claims (47)

1. A headlight device of a tractor comprising:

a pair of high-beam units; and

a pair of low-beam units,

characterized in that

the pair of high-beam units and the pair of low-beam units are arranged respectively at upper and lower sides,

wherein each of the high-beam units comprises:

a high-beam lamp;

a high-beam lamp housing supporting the high-beam lamp; and

a high-beam lamp lens covering the high-beam lamp, and

wherein the high-beam lamp lens is formed from a front surface to a side surface of a bonnet.

2. The headlight device of the tractor according to claim 1 , wherein the high-beam lamp lens is formed so as to be projected from the side surface of the bonnet.

3. The headlight device of the tractor according to claim 2 ,

wherein each of the high-beam units further comprises:

a reflector reflecting light of the high-beam lamp; and

an inner casing covering the reflector, and

wherein the inner casing is projected from the side surface of the bonnet and formed along an inner surface of the high-beam lamp lens.

4. The headlight device of the tractor according to claim 3 , wherein glossy plating is applied to an outer surface of the inner casing opposite to the high-beam lamp lens.

5. The headlight device of the tractor according to claim 4 , wherein each of the high-beam units and each of the low-beam units are connected to each other via a bracket.

6. A tractor comprising:

the headlight device according to claim 4 ; and

a symbol mark arranged at a center of the headlight device.

7. The headlight device of the tractor according to claim 3 , wherein each of the high-beam units and each of the low-beam units are connected to each other via a bracket.

8. A tractor comprising:

the headlight device according to claim 3 ; and

a symbol mark arranged at a center of the headlight device.

9. The headlight device of the tractor according to claim 2 , wherein each of the high-beam units and each of the low-beam units are connected to each other via a bracket.

10. A tractor comprising:

the headlight device according to claim 2 ; and

a symbol mark arranged at a center of the headlight device.

11. The headlight device of the tractor according to claim 1 , wherein each of the high-beam units and the each of the low-beam units are connected to each other via a bracket.

12. A tractor comprising:

the headlight device according to claim 1 ; and

a symbol mark arranged at a center of the headlight device.

13. A headlight device of a tractor comprising:

a pair of high-beam units; and

a pair of low-beam units,

characterized in that

the pair of high-beam units and the pair of low-beam units are arranged respectively at upper and lower sides,

wherein each of the low-beam units comprises:

a low-beam lamp;

a low-beam lamp housing supporting the low-beam lamp; and

a low-beam lamp lens covering the low-beam lamp, and

wherein the low-beam lamp lens is formed along a front grill below each of the high-beam units.

14. The headlight device of the tractor according to claim 13 ,

wherein each of the low-beam units has one or more illumination lamps, and

wherein the one or more illumination lamps highlights a zone along an outline of the low-beam lamp lens.

15. The headlight device of the tractor according to claim 14 , wherein the one or more illumination lamps are turned on following turning on of a work lamp and turned off following turning off of the work lamp.

Assignments (2)
CHANGE OF NAME Recorded Aug 26, 2020
From: YANMAR CO., LTD.
To: YANMAR POWER TECHNOLOGY CO., LTD.
Reel/Frame 054162/0112 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 30, 2016
From: KUDOU, JUNKO; KUROKAWA, YOSHIAKI
To: YANMAR CO., LTD.
Reel/Frame 040466/0987 →
Priority Claims (1)
JP 2014-113555 · May 30, 2014 · national
Continuity (1)
Related Publication 20170190278A1 · Jul 6, 2017