Patent ID: 8998159
Filing Date: 2015-04-07
Classification: E04G,F16B

Abstract:
1. A locking device for preventing unauthorized retraction of a telescopic prop, the device comprising: an adjustable clamp adapted to be fitted around an outer circumference of the telescopic prop; a fastener adapted to tighten the clamp, the fastener comprising an anti-tamper head; and a shield configured to prevent access to the head with a gripping instrument, wherein an inner tube of the adjustable telescopic prop is not capable of being retracted with respect to an outer tube of the telescopic prop due to the adjustable clamp preventing such retraction, wherein the outer tube comprises a threaded section on an exterior surface thereof, wherein the outer tube includes a hole for accepting a pin to be fitted therethrough, wherein a collar is threaded onto the threaded section such that an upper surface of the collar abuts the pin, and wherein the locking device is separate from and movable upward and downward with respect to the threaded section such that the adjustable clamp is positional so as to abut against a lower surface of the collar when the upper surface of the collar abuts the pin.