Scott Shakespeare,Sagar Kumar,Kyle Roth,Evan Albert Francis
申请号：
US16205638
公开号：
US20200170861A1
申请日:
2018.11.30
申请国别(地区):
US
年份:
2020
代理人:
摘要：
A manipulator arm for moving a load from a first position at a first elevation, to a second position at a second elevation, provides a base and defines plural spaced apart axle holes. A fulcrum lever link formed of a channel beam defines plural spaced apart axle holes. A first load member, and two support members extend between, and pivotally interconnect, the base plate and the fulcrum lever link and define a quadrilateral lift frame about the pivotal interconnections. An actuator operatively communicates between the first load member and the fulcrum lever link and the fulcrum lever link provides mechanical advantage to the actuator to cause the quadrilateral lift frame to change from a first configuration at the first position to a second configuration at the second position.
