Joints and connections – Interfitted members – Including set screw
Reexamination Certificate
2006-03-21
2006-03-21
Cottingham, John R. (Department: 2116)
Joints and connections
Interfitted members
Including set screw
C403S408100, C411S188000, C411S189000, C160S399000
Reexamination Certificate
active
07014386
ABSTRACT:
A secure connection (10) of a component to a sheet material including, an extent of thin sheet metal (20) having an attaching surface (36), a component (30) having a mating surface (37) abutting the attaching surface, an aperture (35) in the mating surface, and a tapping screw (40) threaded in the aperture and penetrating the attaching surface, the aperture sized relative to the size of the screw as a function of the thickness of the component, whereby the tapping screw has portions of the sheet metal clamped between the tapping screw and the component for establishing retentive forces between the component and the sheet-metal material.
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Sheet Metal Rim Holes with Screw Thread, Feb. 1980, DIN-Normen, UDC 621.882.082.1:62-414/415, entire document.
Mitchell Albert W.
Mullet Willis J.
Cottingham John R.
Renner Kenner Greive Bobak Taylor & Weber
Wayne-Dalton Corp.
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