| 摘要 |
a linear actuator capable of transmitting tractive forces as well as thrust forces and operating then as a rigid single-piece rod. The linear actuator has two identical actuating belts ( 1, 1 ') with notches on each of their sides ( 10, 10'; 11, 11 ') and provided on one first side ( 10, 10 ') with uniformly spaced blocks ( 2, 2 ') which mesh with drive members ( 3 ) such that the two actuating belts ( 1, 1 ') are independent upstream of the drive members ( 3 ), whereas downstream of the drive members, they are integrally assembled so as to define a section extending along a straight line wherein the linear actuator operates like a single-piece rigid rod.
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