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LOADER LIFT ARM ASSEMBLY FOR A POWER MACHINE
专利权人:
CLARK EQUIPMENT COMPANY
发明人:
SCHIWAL, Branden
申请号:
WO2018US28290
公开号:
WO2018195268(A1)
申请日:
2018.04.19
申请国别(地区):
世界知识产权组织国际局
年份:
2018
代理人:
摘要:
Disclosed embodiments include power machines (e.g., 100; 200; 300) and related structures of lift arms (e.g., 230; 330), implement carriers (e.g., 272; 372), follower links (e.g., 375), and driver links (e.g., 380) which improve manufacturability, reduce component failures, and improve power machine design and functionality. In some embodiments, lift arm structures include cast lower lift arm portions (e.g., 339). The cast lower lift arm portions include contoured upper ends (e.g., 405) which are sleeved onto contoured lower ends (e.g., 410) of upper lift arm portions (e.g., 333) to control stress points and to reduce stresses on welds. The follower link structures can include follower links which are configured to be positioned at least partially outside of the lift arm structure to improve rear visibility. The driver link structures can be configured to be laterally overlapping with innermost surfaces (e.g., 680) on the lift cylinder (e.g., 338), but configured such that as the lift arm is raised the latera
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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