Washer and combination washer and fastener system for building construction

摘要

A washer for use in building construction having an outer side having an upper surface defined by an upper wall, an underside opposite the outer side, and a perimeter. A central aperture extends from the outer side to the underside, with an alignment surface extending inwardly and downwardly relative to the central aperture with the alignment surface configured to be contacted by a nose stem of a fastener gun. A central chamfer is disposed at the central aperture and is configured to mate with the head of a fastener driven by the fastener gun. The upper surface of the outer side comprises a conical portion extending from the perimeter, with the alignment surface extending inwardly and downwardly to the central chamfer.

主权项

1. A washer and fastener gun system for use in building construction comprising:
a fastener gun with an extension attached thereto; a washer, said washer comprising;
an outer side having an upper surface defined by an upper wall, an underside opposite said outer side, and a perimeter;a central aperture extending from said outer side to said underside; anda circumferential wall comprising an alignment surface extending inwardly and downwardly from said upper surface relative to said central aperture and disposed radially inward from said perimeter with said extension of said fastener gun contacting said alignment surface with said extension being disposed within said circumferential wall to guide a fastener through said central aperture; anda central chamfer disposed at said central aperture, said central chamfer configured to mate with the head of a fastener driven by the fastener gun;wherein said upper surface of said outer side comprises a conical portion extending from said perimeter over at least a portion of said upper surface, and wherein said alignment surface extends inwardly and downwardly relative to said central chamfer.