Patent ID: 7520413

Claim:
A tacker apparatus having a tacker body with a piston and a cylinder mounted therein, a guide disposed on the front side of the tacker body to seat a staple or a pin and guide the trajectory of the staple or the pin, the tacker comprising: a magazine ( 10 ) containing a plurality of staples or pins therein, a magazine cover ( 18 ) connected to the magazine 10 , first and second pusher linkages ( 36 , 38 ) respectively inserted into longitudinal recesses formed at both front sides of the magazine cover ( 18 ), engaged with a rear surface of a pusher ( 52 ), and connected with a spring ( 40 ) at a lower part to push upward a tacker pin ( 56 ) loaded between the magazine ( 10 ) and the magazine cover ( 18 ), wherein the pusher ( 52 ) is engaged with the first and second pusher linkages ( 36 , 38 ) at their rear surfaces to push the tacker pin ( 56 ) upward, a first to third pin guides ( 42 , 44 , 46 ) inserted into recesses formed in a longitudinal direction at predetermined front sides of the magazine cover ( 18 ) to bring the tacker pin ( 56 ) into tight contact with the magazine ( 10 ), a plurality of spacers ( 48 ) connected to the flanks of the first to third pin guides ( 42 , 44 , 46 ) to guide the insertion of the first to third pin guides ( 42 , 44 , 46 ) into the recesses of the magazine cover ( 18 ), and springs ( 66 ) each connected to the rear surfaces of the spacers ( 48 ) to push the upper parts of the first to third pin guides ( 42 , 44 , 46 ) away from the magazine cover ( 18 ) and toward the magazine ( 10 ), such that the tacker pin ( 56 ) and the pusher ( 52 ) move through an inner gap formed between the magazine ( 10 ) and the magazine cover ( 18 ) while maintaining tight contact with the magazine ( 10 ) and a jam between tacker pin groups disposed at an upper part and a lower part can be prevented.