Patent ID: 9511416
Filing Date: 2016-12-06
CPC Classification: B21J,B23P,B25B,F16B,Y10T

Claim Text:
1. A device for feeding lockbolt collars to a presentation position for installation on lockbolts, one at a time, comprising: a hand-held grip having an elongate grip body, a curved presentation piece removably attached to the top of the grip body with an internal collar passage ending in said presentation position, and a flared bottom skirt with an air input port; said grip body having a collar passage therethrough in direct communication with the collar passage in the presentation piece; and a cylindrical collar cartridge connectable to the flared bottom of said grip body and having an air passage extending vertically through the cartridge, said air passage, when said cartridge is connected to said grip body, being in air flow communication with said air input port; said cartridge further having a top side which enters into said flared bottom with a spiral collar passage formed in said cartridge with a collar entry hole in said top side, the entry hole, when the cartridge is connected to the grip body, being in communication with the collar passage in said grip body; the entry hole being shaped to allow entry of collars only in a particular orientation; the spiral passage having a lower end in said cartridge in air flow communication with said vertically extending air passage such that collars, when the cartridge is connected to said grip body, are urged by air pressure admitted into said air passage via said air input port and from said air passage into said spiral passage lower end upwardly through the spiral passage into the grip body passage and from there into the presentation piece to the presentation position one at a time.