Safety door stopper

Details Safety door stopper Safety door stopper

1982-09-29

1984-07-31

Moore, Richard E.

Closure fasteners

Bolts

Sliding

292DIG15, 292DIG22, 292DIG4, E05C 110

Patent

active

044626231

ABSTRACT:
A foot operated door stop adapted to be positioned in a floor opening adjacent the door so as to effectively limit its degree of opening as a safety and anti-burglar means. This door stopper is in the form of inner and outer telescopically mounted cylindrical members. The inner cylinder is spring urged to an extended position wherein such member projects upwardly from the floor in a door blocking position. The inner member is guided by specific means at the upper and lower ends of the outer member and a particular detent assembly is mounted in such inner member so as to present the means by which the inner member may be held in its retracted or non-operative position. The inner cylinder is also adapted to freely rotate with respect to the outer cylinder.

REFERENCES:
patent: 1877177 (1932-09-01), Hinderer et al.
patent: 1940084 (1933-12-01), Grasso
patent: 2264962 (1941-12-01), Adams
patent: 3330585 (1967-07-01), Pollin
patent: 4343500 (1962-08-01), Steiner

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