초록 ▼

A tagging device, such as for ears of livestock, driven by a pressurized fluid source is disclosed. The manually controlled pneumatic applicator described utilizes pressurized air for activation to pierce the ear and set the tag as well as retract the piercing element. The applicator is particularly

A tagging device, such as for ears of livestock, driven by a pressurized fluid source is disclosed. The manually controlled pneumatic applicator described utilizes pressurized air for activation to pierce the ear and set the tag as well as retract the piercing element. The applicator is particularly adapted for use with either one-piece or multiple-piece tags.

대표청구항 ▼

A hand-portable livestock tagging device operable by a pressurized pneumatic fluid source comprising: a casing holdable by one hand and having support means for positioning an object on livestock to be tagged; a valve means located in said casing for controlling the direction of flow of pressurized

A hand-portable livestock tagging device operable by a pressurized pneumatic fluid source comprising: a casing holdable by one hand and having support means for positioning an object on livestock to be tagged; a valve means located in said casing for controlling the direction of flow of pressurized pneumatic fluid; manually actuable means mounted in said casing and connected to said valve means for controlling the position of said valve means; a piston cylinder located within said casing; a double-acting piston carried within said piston cylinder and driven fully and rapidly by the pressurized pneumatic fluid in a first direction and in a second opposite direction in accordance with the position of said valve means; means for directing the pressurized fluid from said pneumatic fluid source to said valve means and from said valve means to said piston cylinder; piercing means connected to and moving with said piston for penetrating the object to be tagged when driven by said piston in said first direction and for retracting from the object when driven by the piston in said second direction; and means for attaching a tag having an anchor portion to said piercing means such that the anchor portion of the tag will be forced through the object to be tagged by said piercing means when the piercing means is driven fully and rapidly in said first direction.