Balancing mechanism
Herder J.L., Tuijthof G.J.M., Balancing mechanism to hold object in required vertical position involves use of parallelogram or hinged arms and two tensioned springs, NL1009886 C
Herder J.L., Tuijthof G.J.M., Balancing mechanism to hold object in required vertical position involves use of parallelogram or hinged arms and two tensioned springs, NL1009886 C
Herder J.L., Tuijthof G.J.M., Two spatial equilibrators. In: CDROMS Proceedings ASME DETC 26th Biennial Mechanisms and Robotics Conference, Baltimore, Maryland, Sept 10-13 2000. number DETC2000/MECH-14120
Tuijthof G.J.M., Herder J.L. Design, actuation and control of an anthropomorphic robot arm. Mechanism Machine Theory 35(7) 945-962, 2000