Back to results
US 3,944,228 AGranted
Curling stone washer and handle assembly
Assignee2001 Plastics, Ltd.
InventorHerbert O. Olson
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
Assignee2001 Plastics, Ltd.
InventorHerbert O. Olson
Estimating the term…
A curling stone handle of one piece construction contoured to conform with the contour of the face of existing curling stones combined with a ribbed washer of plastic oriented interiorly of the cupped area only in the curling stone and a bolt extending through the curling stone and securing the handle and washer in place with the bolt including a head that will fit any curling stone recess and provided with a polygonal depression for receiving a wrench to facilitate assembly and disassembly of the handle, washer and bolt with respect to the curling stone. The washer is formed having a central bore and a plurality of radially extending ribs extending from the bore to the periphery of the washer. The ribs are provided with a flat side surface and a convex opposite curved surface, both surfaces extending substantially perpendicular from one flat side of the washer. The washer is placed between the curling stone and handle and having the ribs facing downward in contact with the curling stone. When the bolt is tightened to secure the handle to the curling stone the ribs will fold and be compressed to prevent relative movement between the handle and curling stone.
In combination, a curling stone having a center hole and a shallow cup-shaped recess in the upper and lower surfaces thereof, and a handle therefor comprising a generally circular plate having a downwardly curved peripheral edge and a gooseneck handle extending upwardly from an edge portion thereof, said plate closely conforming with and engaging the upper surface of the stone, rotatable fastening means connected with the central portion of the plate and extending into the center hole of the stone, and a washer of resilient material having a central bore interposed between the plate and the cup-shaped recess in the stone for frictionally engaging the stone and plate when compressed by actuating the fastening means while maintaining the handle non-rotative in relation to the stone, said washer being disposed solely in the cup-shaped recess in the stone and including compressible rib means thereon for resisting relative rotation between the stone and plate, said rib means including a plurality of ribs extending radially from said bore on only one side of the washer, said ribs having one flat side surface and a convexly curved opposite side surface for folding when the washer is compressed whereby the folded and compressed ribs will prevent rotation between the washer and curling stone.
Dependencies are inferred from the claim text.