Electricity: motive power systems – Positional servo systems – Program- or pattern-controlled systems
Patent
1989-11-15
1991-12-03
Ip, Paul
Electricity: motive power systems
Positional servo systems
Program- or pattern-controlled systems
318652, 37DIG1, 414694, 414699, E02F 530
Patent
active
050702866
ABSTRACT:
A manipulator arm is provided for public works machines comprising two beams of equal length and a pivoting cradle connected in series. The first or command beam is rotated about the forward end thereof on the chassis of a support unit, and the cradle is pivoted in response to rotation of the command beam by means of gears and chains designed and arranged such that the cradle undergoes a linear translational movement and maintains a predetermined inclination.
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Chassaing Paul
Moreau Georges
Soulard Paul
Ip Paul
Laboratoire Central des Ponts et Chaussees
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