Cover retainer for concrete block wall opening

Details Cover retainer for concrete block wall opening Cover retainer for concrete block wall opening

1992-09-25

1993-12-14

Friedman, Carl D.

Static structures (e.g., buildings)

Assembled in situ-type anchor or tie

521277, 52514, E04B 138

Patent

active

052691144

ABSTRACT:
Apparatus for retaining a cover over a view port in a concrete block comprises a generally T-shaped bracket having a cross-arm and a support arm. The support arm extends generally perpendicularly from about a mid-point of the cross-arm. The cross-arm is generally longer than a width of the view port such that the cross-arm will not pass through the view port when the cross-arm is oriented in an operative position in alignment with the width of the port. A fastening area is formed on at least a portion of the support arm for passing through an aperture in the view port cover. A fastener is adjustably positionable on the fastening area for retaining the cover in compression against the block when the cross-arm is inserted in the view port in the operative position. The fastening area may be threaded for a wing nut or be adapted for receiving a push-nut.

REFERENCES:
patent: 2075239 (1937-03-01), Strange
patent: 3298657 (1967-01-01), Dercoli
patent: 3367620 (1968-02-01), Holt
patent: 3920214 (1975-11-01), Lovisa et al.
patent: 3926400 (1975-12-01), Franc
patent: 4116106 (1978-09-01), Barbour
patent: 4354332 (1982-10-01), Lentz
patent: 4729540 (1988-03-01), Rozema
patent: 4990044 (1991-02-01), Kimak
patent: 5033949 (1991-07-01), Jewett
patent: 5065560 (1991-11-01), Yoder
Drawing of Prior Art.

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