Elongated-member-driving apparatus – With means to move or guide member into driving position – With means to assure correct orientation of member
Reissue Patent
2007-04-17
2007-04-17
Smith, Scott A. (Department: 3721)
Elongated-member-driving apparatus
With means to move or guide member into driving position
With means to assure correct orientation of member
C227S123000
Reissue Patent
active
10968818
ABSTRACT:
A nail guide mechanism, suitable for use with a wide variety of nail guns, having a mounting bracket to permit ready attachment and/or removal in the field. The guide mechanism, when mounted, is oriented about the channel defined by the nose of the nail gun. The guide mechanism includes a partially pre-compressed spring that induces a bias on a pivoting arm such that the arm is caused to protrude at least partially into the channel. The arm is thus positioned to continuously exert a force on the nails as they are driven down the channel past the arm. Because the spring is only partially pre-compressed, the positioning of the arm is responsive to changes in conditions inside the channel, such as when the head of a nail passes by the arm. The force exerted by the arm, under the influence of the spring, acts substantially along the radial axis of the nail, and is exerted on the nail during at least a portion of the time that the nail is being impelled by the driving mechanism of the nail gun. The result of the force thus exerted is that every nail is pushed to a desired position in the channel, thereby ensuring consistent orientation of the nails as they exit the nail gun. The guide mechanism also includes a pilot which, when the mechanism is mounted, is located immediately adjacent to the channel. The pilot has a small tip that is inserted into the nail hole so as to provide assurance that the nail gun is properly located. The pilot therby cooperates with the arm to ensure accurate and consistent placement and orientation of each nail as it exits the gun.
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Product Sheet, Paslode Model 5250/65S-PP Positive Placement Strip Nailer, Tool Schematic and Parts, Nov. 1998 (6 pages).
Pillsbury Winthrop Shaw & Pittman LLP
Smith Scott A.
Stanley Fastening Systems, L.P.
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