Compactable door blocking device

Details Compactable door blocking device Compactable door blocking device

1995-06-16

1996-04-02

Lindsey, Rodney M.

Closure fasteners

Braces

Portable

292DIG15, E05C 1754

Patent

active

055034438

ABSTRACT:
An adjustable and compactable door blocking device for preventing unauthorized entry through a door. In a preferred embodiment, the door blocking device comprises three adjustable members which form a triangular brace for counterpoising forces between the face of the door, the floor and the door bottom when in use, and which can be adjusted to a compact position for travel and storage, a latch means for installation of the device and application of optimal bracing force, and a pressure measuring tube for measuring blocking force and determining proper installation of the device.

REFERENCES:
patent: 197187 (1877-11-01), Voege
patent: 1064320 (1913-06-01), Glindkamp
patent: 3731341 (1973-05-01), Woodruff
patent: 4421348 (1983-12-01), Kahn
patent: 4676536 (1987-06-01), Arbic et al.
patent: 5131701 (1992-07-01), Stepniewski
patent: 5207464 (1993-05-01), Reeves

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