LOWER LOCKING PIN BODY TWO-SIDE OPERATING COUPLER AND DRAFT GEAR

Title:

LOWER LOCKING PIN BODY TWO-SIDE OPERATING COUPLER AND DRAFT GEAR

Document Type and Number:

WIPO Patent Application WO/2010/083674

Kind Code:

A1

Abstract:

A lower locking pin body (1) for the hinge joint between a lower locking pin (5) and a lower locking pin hook (6) has a suspending hole (11,12) of a coupler lock lifter (20) to facilitate it rotating surrounding the lower locking pin hook (6) under the effect of the hole. There are two coupler suspending holes (11,12) which are respectively arranged on each side ends of the lower locking pin body (1) to facilitate the workers opening the coupler on either side of a car. A two-side operating coupler (10) with above said lower lock pin body (1) and a draft gear are provided, wherein the draft gear also includes two lock lifters (20) and two lock lifter seats (30).The lock lifters (20) are mounted into a key-shaped hole (31) of the lock lifter seats (30), and the lock lifter (20) has a limiting segment (21) on the matched position. Two hook head ends of the lock lifters (20) pass respectively out from the key-shaped holes（31） of the coupler lock lifter seats (30) and hang with the coupler lock lifter (20) suspension hole (11,12) of the two-side operating coupler. It has clearance between the limiting segment (21) of the coupler lock lifter (20) and a stripe-shaped hole wall of the key-shaped hole (31).

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Inventors:

JIANG YAN (CN)
MENG QINGMIN (CN)
YU YUEBIN (CN)
CHEN LONG (CN)
CUI YINGJUN (CN)
WANG JUNSONG (CN)

Application Number:

PCT/CN2009/072862

Publication Date:

July 29, 2010

Filing Date:

July 22, 2009

Export Citation:

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Assignee:

QIQIHAR RAILWAY ROLLING STOCK (CN)
MUDANJIANG JINYUAN COUPLER AND (CN)
JIANG YAN (CN)
MENG QINGMIN (CN)
YU YUEBIN (CN)
CHEN LONG (CN)
CUI YINGJUN (CN)
WANG JUNSONG (CN)

International Classes:

B61G3/08; B61G3/10; B61G7/14

Foreign References:

CN1265071A	2000-08-30
GB897419A	1962-05-30
CN201143950Y	2008-11-05
US3029956A	1962-04-17
FR1437378A	1966-05-06
DE2841138A1	1980-04-03
CN101475011A	2009-07-08

Attorney, Agent or Firm:

UNITALEN ATTORNEYS AT LAW (Scitech PlaceNo.22, Jian Guo Men Wai Ave.,Chao Yang District, Beijing 4, CN)

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