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Vibration and Earthquake Isolation

Adjustable-load-bolt-adapter-bracket-assembly

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Adjustable load bolt adapter bracket assembly

Details

Inventors: Kirschner, Kraig A.;
Assignee: Automated Fire Control, Incorporated (South El Monte, CA)
Primary Examiner: Ramirez; Ramon O.
Assistant Examiner:
Attorney, Agent or Firm: Lyon & Lyon

An adjustable load bolt adapter bracket assembly for use with a sway brace in securing a bracing element between a fluid pipeline and a structure to anchor the pipeline to the structure and limit relative movement therebetween. The assembly comprises an attachment member and an adapter plate. The attachment member includes a flat plate portion having an upstanding lateral wall adjacent one end thereof, a pair of axially aligned fastener receiving apertures spaced from the other end thereof, a bracking element receiving member pivotedly mounted on the lateral end wall and a plurality of locking channels in the opposite sides and one end thereof. The adapter plate defines a pair of spaced fastener receiving apertures therein axially aligned therein and a locking tab extending from one side thereof and from one end thereof. By selectively disposing one of the tabs on the adapter plate within one of the locking channels in the attachment member the plate is interlocked with attachment member for increasing the available fastener receiving apertures for use in securing the bracing element to the fixed structure from two to four to increase the strength of the securement to meet different seismic codes and the footprint of the interlocked elements can be varied to fit on the available space on the fixed structure to which the bracket assembly is to be secured.

DETAILED DESCRIPTION I claim: 1.
An adjustable bracket assembly for selective use with a varying number of fasteners to secure a bracing element to a fixed structure, said assembly comprising: an attachment member having means thereon for engaging a bracing element and defining a flat plate portion extending from said means, said plate portion having a pair of axially aligned fastener receiving apertures therein and a locking tab securing channel formed in opposite sides and one end of said plate portion; and an adapter plate for cooperation with said attachment member to provide additional fastener receiving apertures for the securement of the bracing element to the structure, said plate defining a plurality of axially aligned fastening receiving apertures therein, a first locking tab extending from one end thereof and a second locking tab extending from one side thereof, one of said tabs being adapted to be received within one of said channels for interlocking said adapter plate with said attachment member in a selected disposition adjacent thereto whereby the number of available fastener receiving apertures for use in securing the bracing element to the fixed structure can be increased by the number of fastener receiving apertures in said adapter plate and the footprint defined by said attachment member and interlocked adapter plate can be varied to fit the available space on a fixed structure.
2.
The assembly of claim 1 wherein said engaging means on said attachment member comprises an upstanding sidewall portion integrally formed with said flat plate portion and a cylindrical member defining internal threads therein adapted to receive and threadably engage the bracing element, said cylindrical member being pivotedly mounted on said upstanding wall portion.
3.
The assembly of either claim 1 or 2 wherein said channels in said attachment member tapered wall portions and said locking tabs projecting from said adapter plate are configured to received within said channels and retained therein by said tapered wall portions

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