Security stop

Details Security stop Security stop

1990-01-19

1990-09-25

Nicholson, Eric K.

Closure fasteners

Braces

Portable

292343, E05C 1754

Patent

active

049588699

ABSTRACT:
A security stop for a door or the like is provided which will prevent the door from opening inward by unauthorized persons. The device can be easily set between the door and the threshold and can be easily removed and stored for transportation purposes. The device comprises a wedge-shaped member which is forced underneath the door and includes an inverted V-shaped frame which acts as a brace to assist in holding the wedge-shaped member.

REFERENCES:
patent: 182883 (1876-10-01), Ball
patent: 521037 (1894-06-01), McCombs
patent: 550264 (1895-11-01), Flesch
patent: 559382 (1896-05-01), Hoffman
patent: 693740 (1902-02-01), Raether
patent: 1042329 (1912-10-01), Daniels
patent: 1246707 (1917-11-01), Boynton
patent: 1545532 (1925-07-01), Stubbs
patent: 1681834 (1928-08-01), Arends
patent: 2647782 (1953-08-01), Fisk
patent: 4142752 (1979-03-01), Chilton

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