Breakaway support structure with replaceable shear connector

Details Breakaway support structure with replaceable shear connector Breakaway support structure with replaceable shear connector

1986-08-20

1988-07-26

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Frangible section or means

In dissimilar material member

52296, 404 10, E04C 332, E01F 901

Patent

active

047591617

ABSTRACT:
A breakaway support structure for a sign, light, or mailbox. A foundation post is anchored in the ground and has a projection extending from an upper end. A support post has a sleeve on a lower end which receives the projection. The sleeve and projection are interconnected by at least one linking member which has a preferentially breakable portion. The linking member in one embodiment may be an eyebolt which receives a shear pin. In another embodiment, the projection is a coil spring which is secured on one end to the foundation post and is connected to an annular housing on the lower end of the support post by two spaced fasteners having preferentially breakable portions. In another embodiment, a conventional sign post is retained in a cup-shaped housing that is connected to the projection of the foundation post by at least one linking member which has a preferentially breakable portion.

REFERENCES:
patent: 1083120 (1913-12-01), May
patent: 2046152 (1936-06-01), Dean
patent: 2469494 (1949-05-01), Bushko
patent: 2748954 (1956-06-01), Murren
patent: 2945659 (1960-07-01), McDonald
patent: 3698144 (1972-10-01), Stratton
patent: 4565466 (1986-01-01), Daggs et al.
patent: 4610432 (1986-09-01), Lewis et al.

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