Invention Grant
- Patent Title: Anti-jumping upper wheel device with double dampers
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Application No.: US14784287Application Date: 2014-04-08
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Publication No.: US09834972B2Publication Date: 2017-12-05
- Inventor: Jiangde Xu
- Applicant: Jiangde Xu
- Applicant Address: CN Zhongshan
- Assignee: ZHONGSHAN OPIKE HARDW ARE PRODUCT CO., LTD
- Current Assignee: ZHONGSHAN OPIKE HARDW ARE PRODUCT CO., LTD
- Current Assignee Address: CN Zhongshan
- Priority: CN201320188516U 20130415; CN201320403640U 20130708
- International Application: PCT/CN2014/074903 WO 20140408
- International Announcement: WO2014/169771 WO 20141023
- Main IPC: E05F5/00
- IPC: E05F5/00 ; E05F1/16 ; E05F5/02 ; E05D15/06

Abstract:
An anti-jumping upper wheel device with double dampers comprises of an anti-jumping upper wheel assembly with double damper (10) being comprised of an upper wheel plate (11), an upper wheel (12), an upper wheel cover (13) and double dampers (14) and a pulling unit (20); wherein, an anti-jumping roller (17) is mounted to the upper wheel cover (13); the pulling unit (20) is a double-plate pulling unit which is comprised of a baseplate of pulling unit (21) and a pillar plate of pulling unit (22) mounted above it; a pulling pillar (221) is fixed vertically on the pillar plate of pulling unit (22); wherein, connecting elastic units (23, 24) are overlapped and connected in parallel to three branch plates (2131, 2132, 2133, 2141, 2142, 2143) mounted on longitudinal direction in parallel of both ends on longitudinal direction of the baseplate of pulling unit (21).
Public/Granted literature
- US20160032967A1 ANTI-JUMPING UPPER WHEEL DEVICE WITH DOUBLE DAMPERS Public/Granted day:2016-02-04
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