Circular disk doorstop

Details Circular disk doorstop Circular disk doorstop

1994-05-05

1996-08-20

Rachuba, M.

Closure fasteners

Wedges

Portable

16 86R, D8402, E05F 500

Patent

active

055472389

ABSTRACT:
A portable doorstop is formed to a circular disk configuration so that the doorstop disk enjoys a stable positionment on the floor surface. The disk upper surface includes a conical surface portion centered on the disk central axis for wedge fit interaction with the lower edge of a door. The disk can be placed in any desired position in the path of the door because the conical surface achieves a wedge fit with the door no matter which area of the conical surface comes into contact with the door lower edge.

REFERENCES:
patent: D173487 (1954-11-01), Hines
patent: 1958807 (1934-05-01), Thompson
patent: 3143369 (1964-08-01), Adams
patent: 3328065 (1967-06-01), Arenson

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