Patent ID: 7010851

Claim:
An automatic machine for applying bendable pins to a frame, comprising a mobile carriage carrying a gun-gripping holder and a gun held by the holder for applying bendable pins to a frame, which carriage is movable above a work station having a table carrying an endless belt on which the frame is located, the gun being filled with said pins, a detector for ascertaining the absence of a pin in a frame on the endless belt, and a rack for storing a plurality of guns pre-filled with the pins, which rack can be accessed by the gun-gripping holder carried by the carriage, wherein the detector is mounted on the gun so as to be capable of ascertaining the absence of a pin in the frame at the location where the pin is applied to the frame on the endless belt and if a pin is absent of instructing the gun-gripping holder to move towards the rack and replace the gun in the gun-gripping holder with a pre-filled gun in the rack.