Barrel assembly for installation tool and method of...

Details Barrel assembly for installation tool and method of... Barrel assembly for installation tool and method of...

B - Operations, Transporting

25

B

1/12

B25B 23/02 (2006.01) B25B 23/10 (2006.01) E04D 15/04 (2006.01)

Patent

CA 1321445

BARREL ASSEMBLY FOR INSTALLATION TOOL AND METHOD OF INSTALLATION ABSTRACT OF THE DISCLOSURE A barrel assembly includes a housing for attachment to a conventional driving tool. A barrel member having a through bore is slidably attached at one end to the housing and carries a stress plate retaining pad at the other end. A pre-assembled elongated headed fastener and stress plate combination is inserted into the barrel assembly whereby, during driving, the head of the fastener is slidably guided by the barrel bore while the shank portion of the fastener is rigidly held by the locked stress plate assuring a perpendicular driving alignment between the fastener and the workpiece, such as a roof deck plate. Biasing means normally forces the barrel in an extended position relative to the housing and also permits the barrel and stress plate retaining pad to retract during a plate tapping sequence of the fastener to prevent thread stripping of the stress plate.

597230

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