Title:
DRAFT GEAR YOKE OF DRAFT GEAR FOR RAILWAY FREIGHT CAR
Document Type and Number:
WIPO Patent Application WO/2010/083675
Kind Code:
A1
Abstract:
A draft gear yoke of a draft gear for a railway freight car includes a draft gear yoke body (1) and a draft key retainer (3).The head of the draft gear yoke body (1) has a draft key hole for installing a draft key that is connected with the coupler. A draft key retainer (3) for supporting the draft key is installed underneath the head of the draft gear yoke body (1). The shape of the upper surface of a supporting part of the draft key retainer (3) corresponds with a lower surface of the draft key to form surface-contact between the two surfaces. It strengthens safety and reliability of the draft gear yoke.
Inventors:
JIANG, Yan (No.36, Changqian 1st Ave. Tiefeng Distric, Qiqihar Heilongjiang 2, 161002, CN)
姜岩 (中国黑龙江省齐齐哈尔市铁锋区厂前一路36号, Heilongjiang 2, 161002, CN)
MENG, Qingmin (No.36, Changqian 1st Ave. Tiefeng Distric, Qiqihar Heilongjiang 2, 161002, CN)
孟庆民 (中国黑龙江省齐齐哈尔市铁锋区厂前一路36号, Heilongjiang 2, 161002, CN)
CONG, Shengguo (No.36, Changqian 1st Ave. Tiefeng Distric, Qiqihar Heilongjiang 2, 161002, CN)
丛盛国 (中国黑龙江省齐齐哈尔市铁锋区厂前一路36号, Heilongjiang 2, 161002, CN)
姜岩 (中国黑龙江省齐齐哈尔市铁锋区厂前一路36号, Heilongjiang 2, 161002, CN)
MENG, Qingmin (No.36, Changqian 1st Ave. Tiefeng Distric, Qiqihar Heilongjiang 2, 161002, CN)
孟庆民 (中国黑龙江省齐齐哈尔市铁锋区厂前一路36号, Heilongjiang 2, 161002, CN)
CONG, Shengguo (No.36, Changqian 1st Ave. Tiefeng Distric, Qiqihar Heilongjiang 2, 161002, CN)
丛盛国 (中国黑龙江省齐齐哈尔市铁锋区厂前一路36号, Heilongjiang 2, 161002, CN)
Application Number:
CN2009/072896
Publication Date:
July 29, 2010
Filing Date:
July 24, 2009
Export Citation:
Assignee:
QIQIHAR RAILWAY ROLLING STOCK CO., LTD (No.36, Changqian 1st Ave. Tiefeng Distric, Qiqihar Heilongjiang 2, 161002, CN)
齐齐哈尔轨道交通装备有限责任公司 (中国黑龙江省齐齐哈尔市铁锋区厂前一路36号, Heilongjiang 2, 161002, CN)
MUDANJIANG JINYUAN COUPLER AND DRAFT GEAR MANUFACTURING CO., LTD (No. 55 Jiche Road, Yangming District Mudanjiang, Heilongjiang 3, 157013, CN)
牡丹江金缘钩缓制造有限责任公司 (中国黑龙江省牡丹江市阳明区机车路55号, Heilongjiang 3, 157013, CN)
JIANG, Yan (No.36, Changqian 1st Ave. Tiefeng Distric, Qiqihar Heilongjiang 2, 161002, CN)
姜岩 (中国黑龙江省齐齐哈尔市铁锋区厂前一路36号, Heilongjiang 2, 161002, CN)
MENG, Qingmin (No.36, Changqian 1st Ave. Tiefeng Distric, Qiqihar Heilongjiang 2, 161002, CN)
孟庆民 (中国黑龙江省齐齐哈尔市铁锋区厂前一路36号, Heilongjiang 2, 161002, CN)
齐齐哈尔轨道交通装备有限责任公司 (中国黑龙江省齐齐哈尔市铁锋区厂前一路36号, Heilongjiang 2, 161002, CN)
MUDANJIANG JINYUAN COUPLER AND DRAFT GEAR MANUFACTURING CO., LTD (No. 55 Jiche Road, Yangming District Mudanjiang, Heilongjiang 3, 157013, CN)
牡丹江金缘钩缓制造有限责任公司 (中国黑龙江省牡丹江市阳明区机车路55号, Heilongjiang 3, 157013, CN)
JIANG, Yan (No.36, Changqian 1st Ave. Tiefeng Distric, Qiqihar Heilongjiang 2, 161002, CN)
姜岩 (中国黑龙江省齐齐哈尔市铁锋区厂前一路36号, Heilongjiang 2, 161002, CN)
MENG, Qingmin (No.36, Changqian 1st Ave. Tiefeng Distric, Qiqihar Heilongjiang 2, 161002, CN)
孟庆民 (中国黑龙江省齐齐哈尔市铁锋区厂前一路36号, Heilongjiang 2, 161002, CN)
International Classes:
B61G9/00; B61G9/20; B61G9/22; B61G9/00
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (7th Floor, Scitech PlaceNo.22, Jian Guo Men Wai Ave., Chao Yang District, Beijing 4, 100004, CN)
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