Importance

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Abstract

A linear displacement sensor for telescoping cylinders, actuators, shock absorbers and dampers is disclosed. Said sensor being generally comprised of two parts-a contact and a resistor strip. The aforementioned invention having several embodiments: one embodiment having a contact disposed on the piston rod inside the cylinder and a resistor strip configured along the internal cylinder wall; another embodiment having a contact disposed at an outside end of the cylinder and the strip imbedded inside a groove along the piston rod. All embodiments including a plurality of insulated rod and wall groove shapes for said resistor strip. An object of the invention is to provide a means for measuring actuator displacement both inside and outside of an actuator.

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First Claim