Apparatus for fastening stirrup-links on a conveyor-belt or the like

Claim 1

A portable apparatus for fastening on an end of a conveyor belt a row a stirrup-links provided with fastening staples placed in a standby position, each fastening staple having pointed ends and a head, said apparatus comprising: an operating head slidably mounted on a plate for guiding said fastening staples; a staple-inserting punch and a movable die providing on each side of the row of to be fastened stirrup-links for clinching the pointed ends of the staples; a ratchet mechanism for producing step-by-step motion of the operating head opposite to the to be fastened stirrup-links; wherein the movable die is made up of two separate and distinct possible, a first portion of said die being placed opposite to the staple-inserting punch and provided with grooves having sloping bottom faces for initial clinching of the ends of the fastening staples of a predetermined stirrup-link and a second portion of said die being provided with grooves for final clinching of the ends of the fastening staples of the following stirrup-link which have already been subjected to initial clinching; and wherein provision is made opposite to said second portion of the die for a second punch which is intended to penetrate into the corresponding opening of the staple-guiding plate both in order to arrest the operating head in the exact position desired and in order to serve as an anvil for bearing against the head of each corresponding staple at the time of final clinching of the staple points, said second punch being actuated by a lever which also actuates the stepping-motion ratchet mechanism while another lever controls the operation of the staple-inserting punch and the operation of the die.