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Planetary Wheel Drive Using Thrust Washer Cover Arrangement

Abstract: ABSTRACT A planetary wheel drive uses a thrust washer residing between a cover and a thrust plate to absorb axial loads. The thrust washer is has a slip fit to the cover. The surface area of the thrust washer engaging the cover is larger than the surface area of the thrust washer engaging the thrust washer. Fig. 3C

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
20 April 2018
Publication Number
17/2019
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
info@indiaip.com
Parent Application

Applicants

FAIRFIELD MANUFACTURING COMPANY, INC.
US Route 52 South, West Lafayette, Indiana 47903, USA

Inventors

1. MARTIN, Scott
7205 West Greenview Drive, Battle Ground, IN 47920, USA
2. LI, Yichen
1841 King Eider Dr., West Lafayette, IN 47906, USA
3. RICHARDS, Matthew
5608 Prophets Rock Road, West Lafayette, IN 47906, USA

Specification

CLAIMS
1. A planetary wheel drive, comprising:
a first end and a second end;
said second end includes a cover;
a high speed carrier thrust washer;
a high speed planet gear, a high speed planet pin and a high speed planet carrier;
a thrust plate;
said thrust plate interposed between said high speed planet gear and said high speed carrier thrust washer;
said high speed planet gear rotates about said high speed planet pin;
said high speed planet pin affixed to said high speed planet carrier;
said high speed carrier thrust washer interposed between said thrust plate and said cover;
and, when said high speed carrier thrust washer engages said thrust plate, axial thrust from said planet carrier is absorbed by said thrust washer and said cover.
2. A planetary wheel drive as claimed in claim 1, further comprising:
said planet gear, said thrust plate and said thrust washer rotate at different relative speeds while said thrust washer is fixed to the cover
3. A planetary wheel drive as claimed in claim 1, further comprising:
said thrust washer is slip fit on said cover.
4. A planetary wheel drive as claimed in claim 1 wherein said thrust plate rotates with said planet carrier.
5. A planetary wheel drive as claimed in claim 1 wherein said thrust plate rotates with said planet carrier.

6. A planetary wheel drive as claimed in claim 1, further comprising: said thrust washer is slip fit on said cover and rotates with said cover.
7. A planetary wheel drive as claimed in claim 1, further comprising: said thrust washer engages said cover on two different surfaces.
8. A planetary wheel drive as claimed in claim 1, further comprising:
said thrust washer is a cylinder and has a rectangularly shaped in cross section wall.
9. A planetary wheel drive as claimed in claim 1, further comprising:
said thrust washer is a cylinder and has a squarely shaped in cross-section wall.

Documents

Application Documents

# Name Date
1 201847015032-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [20-04-2018(online)].pdf 2018-04-20
2 201847015032-STATEMENT OF UNDERTAKING (FORM 3) [20-04-2018(online)].pdf 2018-04-20
3 201847015032-REQUEST FOR EXAMINATION (FORM-18) [20-04-2018(online)].pdf 2018-04-20
4 201847015032-PROOF OF RIGHT [20-04-2018(online)].pdf 2018-04-20
5 201847015032-PRIORITY DOCUMENTS [20-04-2018(online)].pdf 2018-04-20
6 201847015032-POWER OF AUTHORITY [20-04-2018(online)].pdf 2018-04-20
7 201847015032-FORM 18 [20-04-2018(online)].pdf 2018-04-20
8 201847015032-FORM 18 [20-04-2018(online)]-1.pdf 2018-04-20
9 201847015032-FORM 1 [20-04-2018(online)].pdf 2018-04-20
10 201847015032-DRAWINGS [20-04-2018(online)].pdf 2018-04-20
11 201847015032-DECLARATION OF INVENTORSHIP (FORM 5) [20-04-2018(online)].pdf 2018-04-20
12 201847015032-COMPLETE SPECIFICATION [20-04-2018(online)].pdf 2018-04-20
13 201847015032-CLAIMS UNDER RULE 1 (PROVISIO) OF RULE 20 [20-04-2018(online)].pdf 2018-04-20
14 abstract 201847015032.jpg 2018-04-24
15 Correspondence by Agent_Assignment,Power of Attorney_02-05-2018.pdf 2018-05-02
16 201847015032-FORM 3 [24-09-2018(online)].pdf 2018-09-24
17 201847015032-RELEVANT DOCUMENTS [20-05-2019(online)].pdf 2019-05-20
18 201847015032-FORM 13 [20-05-2019(online)].pdf 2019-05-20
19 Correspondence by Agent_General Power Of Attorney_27-05-2019.pdf 2019-05-27
20 201847015032-FORM 3 [07-10-2019(online)].pdf 2019-10-07
21 201847015032-FER.pdf 2020-02-27

Search Strategy

1 2019-09-2712-35-58_27-09-2019.pdf