CA2121007C - Dispositif de traction haut rendement - Google Patents

Dispositif de traction haut rendement

Info

Publication number: CA2121007C
Authority: CA; Canada
Prior art keywords: tapered; draft gear; gear assembly; plate members; pair
Prior art date: 1994-03-04
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.): Expired - Lifetime

Application number

CA 2121007

Other languages

English (en)

Other versions

CA2121007A1 (fr

Inventor

James L. Duffy

David W. Daugherty, Jr.

Wajih Kanjo

Rudi E. George

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.)

Westinghouse Air Brake Co

Original Assignee

Westinghouse Air Brake Co

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.)

1994-03-04

Filing date

1994-04-11

Publication date

1999-11-09

1994-04-11 Application filed by Westinghouse Air Brake Co filed Critical Westinghouse Air Brake Co

1995-09-05 Publication of CA2121007A1 publication Critical patent/CA2121007A1/fr

1999-11-09 Application granted granted Critical

1999-11-09 Publication of CA2121007C publication Critical patent/CA2121007C/fr

2014-04-11 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Landscapes

Braking Arrangements (AREA)
Mechanical Operated Clutches (AREA)

CA 2121007 1994-03-04 1994-04-11 Dispositif de traction haut rendement Expired - Lifetime CA2121007C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US20644894A	1994-03-04	1994-03-04
US08/206,448		1994-03-04

Publications (2)

Publication Number	Publication Date
CA2121007A1 CA2121007A1 (fr)	1995-09-05
CA2121007C true CA2121007C (fr)	1999-11-09

Family

ID=22766434

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2121007 Expired - Lifetime CA2121007C (fr)	1994-03-04	1994-04-11	Dispositif de traction haut rendement

Country Status (5)

Country	Link
CN (1)	CN1067953C (fr)
AU (1)	AU677285B2 (fr)
BR (1)	BR9403704A (fr)
CA (1)	CA2121007C (fr)
ZA (1)	ZA944301B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN100425488C (zh) *	2004-01-16	2008-10-15	外博泰克控股股份有限公司	摩擦车钩组件的外壳

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2925924A (en) *	1956-08-13	1960-02-23	American Steel Foundries	Twin barrel friction draft gear
US2906415A (en) *	1956-12-28	1959-09-29	American Steel Foundries	Draft gear
US3386597A (en) *	1967-01-12	1968-06-04	Midland Ross Corp	Railway car friction-type draft gear
US4645187A (en) *	1984-09-14	1987-02-24	American Standard Inc.	Draft gear assembly
US4735328B1 (en) *	1986-12-15	1993-11-16		Split wedge draft gear with center friction plate
US4809419A (en) *	1988-01-21	1989-03-07	American Standard Inc.	Method of and apparatus for reconditioning railway car draft gears
US5125409A (en) *	1991-03-05	1992-06-30	Nidek Co., Ltd.	Ultrasonic diagnostic apparatus and method for ophthalmology

1994
- 1994-04-11 CA CA 2121007 patent/CA2121007C/fr not_active Expired - Lifetime
- 1994-04-12 AU AU59421/94A patent/AU677285B2/en not_active Expired
- 1994-06-16 ZA ZA944301A patent/ZA944301B/xx unknown
- 1994-08-18 CN CN94115049A patent/CN1067953C/zh not_active Expired - Lifetime
- 1994-10-13 BR BR9403704A patent/BR9403704A/pt not_active IP Right Cessation

Also Published As

Publication number	Publication date
CA2121007A1 (fr)	1995-09-05
CN1067953C (zh)	2001-07-04
ZA944301B (en)	1995-05-08
AU5942194A (en)	1995-09-28
BR9403704A (pt)	1995-10-24
AU677285B2 (en)	1997-04-17
CN1108193A (zh)	1995-09-13

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Legal Events

Date	Code	Title	Description
1994-04-11	EEER	Examination request
2014-06-15	MKEX	Expiry	Effective date: 20140411