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Assignee: Simpson Strong-Tie Company, Inc.


Location: Pleasanton, CA
No. of patents: 49

1    
NumberTitleIssue Date
8141320Construction connector anchor cage system
An anchor member securing system includes a securing member and a rebar cage structure secured to the member. The securing system may include at least a first foundation placement guide. The anchor members may comprise mudsill anchors and anchor bolts, and the syste...
03/27/2012
8112968Pre-assembled internal shear panel
An internal shear panel for reducing the tendency of the upper portions of buildings to move relative to the foundation when lateral forces, such as those produced by winds and earthquakes, are applied to the walls. The shear panel is pre-assembled having two vertic...
02/14/2012
8066463Sleeve protected fastener
A fastener system for use with a powder actuated tool. The system include a pin, a metallic washer surrounding a portion of the pin at the second end; and a plastic sleeve disposed between the metallic washer and the pin. The plastic sleeve includes a cap portion an...
11/29/2011
7987636Truss seat and anchor strap assembly
A seat and anchor assembly for mounting and securing a wood joist or roof truss to a tie beam of a building including a central web portion and an upwardly extending wall portion disposed along a longitudinal edge thereof wherein a lower portion of the roof truss or...
08/02/2011
7985041Symmetrically stepped bore coupler nut
A coupler nut with multiple bore diameters that are symmetrically stepped in both directions away from the center bore diameter. The bore diameter at the center is the smallest, and each pair of steps away from the center bore increases the bore diameter. This means...
07/26/2011
7971409Beam shoe
A beam shoe for attaching a (first) beam end-on to a load-bearing construction, especially to a second beam disposed in the same plane as the beam to be attached and running at right angles thereto, the beam shoe comprising an originally flat, one-piece, strip-like ...
07/05/2011
D640916Retrofitable valley truss clip
07/05/2011
7913472Hip jackgirder connection
An improved connector formed with a seat member that is stiffened by first and second reinforcing flanges that extend around first and second corners at either end of a third edge of the seat member, the first and second reinforcing flanges being connected to the th...
03/29/2011
7891144Adjustable heavy girder tiedown
An adjustable connector is provided for connecting an elongate substantially vertical supporting structural member and an elongate generally horizontal supported structural member. The connector is provided with a side attachment member that attaches to an elongate ...
02/22/2011
7832173Screw fastener in multiple floor truss and wood-to-wood shear connection
Screw fasteners are used to connect multiple trusses in side-by-side relationship. The screw fasteners join truss wood members which are in edge to edge relationship with the screws being driven through the edge of each wood member. The screws may be knurled screws ...
11/16/2010
7762031Strap hold down with restraint opening
A connection between a first structural member and a second structural member by a separate structural connector is provided where the second structural member has a first surface from which a fastener protrudes, and the fastener has a relatively narrow shank and a ...
07/27/2010
7707785Variable girder tie
An adjustable connector with a rounded, concave seat and matching washer, a connection and a method of making a connection that ties a first building structural member to a second building structural member in conjunction with fastener means and an anchor member, es...
05/04/2010
D610717Post base with domes
02/23/2010
D605016Collation strip
12/01/2009
7513083Rotating concentric holdown
A connection between a wall stud or post and an anchor bolt embedded in a concrete foundation, using a holdown connector that attaches to the anchor bolt and supports the wall stud or post above it. The holdown connector has a tapered bottom that allows it to rotate...
04/07/2009
7509778Automatic take-up device with internal spring
The present invention consists of a connection, having an anchored, elongated tension member, a fastening member attached to the elongated tension member, a resisting member that receives the elongated tension member and an expansion device that receives the elongat...
03/31/2009
7506479Shear transfer plate
A wall either wholly or partially made from a shear-resisting assembly that has a shear transfer device, or plate, disposed between the bottom strut and the underlying foundation. The shear transfer device joins the two anchor bolts, eliminating intermediate foundat...
03/24/2009
7503148Quadruple mono truss connection
An improved connector and connection formed with a seat member that is stiffened by first and second reinforcing flanges and first, second and third back wall members. When used as a hanger, the connector includes a seat member, first, second and third backwall memb...
03/17/2009
7445192Shear wall template
A connection is provided between a holder and a plurality of anchor bolts by means of a template. The holder is typically a form board for a cementious member such as a foundation. The template is releasably attached to the form board. The template is formed with a ...
11/04/2008
7402016Variably threaded screw
A variably threaded screw has a first end and a second end, the first end of the shaft terminating in a tip and the second end having a widened head thereon. A first helical thread portion is located on the shaft adjacent the widened head. A second helical thread po...
07/22/2008
7367168Skewed girder tie
A connector for joining a supported member to a supporting member is formed with a series of angularly-joined flanges. The flanges are substantially planar and are substantially vertically oriented, when joining the supported member to the supporting member. The con...
05/06/2008
7356973Top flange stud to plate tie
A connection in wood frame construction such as in frame walls of homes, wood framed apartment buildings and light wood framed commercial buildings. Specifically, the disclosure describes a pair of connectors for joining wall studs to a base plate and to a top plate...
04/15/2008
7357613Expansion anchor with crack-arresting groove
An anchor is provided that is inserted into a bore in a cementious member, the bore having a side wall. A tensioning head is connected to the leading end of the stem and when the stem is moved the tensioning head moves with the stem. The outer surface of the tension...
04/15/2008
7341146Screwdriver with dual cam slot for collated screws
A screwdriver for driving collated screws including a slide body coupled to a housing for reciprocal displacement in a cycle including a retraction stroke and an extension stroke. A lever pivotably mounted to the slide body carries at one end a cam pin received in a...
03/11/2008
7296501Limited access building connection
A limited access building connection for connecting a holding structure and a held structure which includes an anchor member having a threaded end adapted for connection to holding structure. A nut having an inner threaded wall threadably engages the threaded end of...
11/20/2007
7207150Deck board tie connector, connection and method
A method of forming a connection, and a connector, that attaches supported members, such as deck boards, to supporting members, such as deck joists. In some forms, each connector attaches a single supported member. In others, the connector attaches two supported mem...
04/24/2007
7168343Limited access building connection
A limited access building connection for connecting a holding structure and a held structure which includes an anchor member having a threaded end adapted for connection to holding structure. A nut having an inner threaded wall threadably engages the threaded end of...
01/30/2007
7111767Power actuated fastener system
An automated power actuated gun having a fastener feeding track with guides for holding a fastener assembly having a plate and attached stud in a firing position. The power actuated gun is attached to the fastener feeding track so as to permit relative movement ther...
09/26/2006
6176057Heavy stud shoe
A weakened building member, having a building component running through an opening in it, is strengthened by reinforcing members attached to the building member that accommodate the presence of the building component. The reinforcing members are attached ...
01/23/2001
6135687Direct tension indicator for embedded anchor members
A device used to indicate whether a predetermined compressive load has been applied to the device. The device is formed to receive an anchor member upon which a tensioning force is to be applied in conjunction with loading the device. The device itself ha...
10/24/2000
6112495Holdown connector with concave seat
A connector having a concave seat member for connecting a first building structural member to a second building structural member in conjunction with fasteners and an anchor member to resist forces on buildings imposed by earthquakes, hurricanes, tornadoe...
09/05/2000
6109850Screw fastener in metal connector to wood structure shear connection
A wood screw for holding a wood structural member to another member such as a sheet metal member a heavy metal member or another wood member wherein the screw includes a shank having a threaded portion and an unthreaded portion. A knurled means is provide...
08/29/2000
6022165Rigid internal connector
A rigid intersection connection, wherein an elongated longitudinal member, a first elongated lateral member, and a second elongated lateral member are joined by a one-piece rigid tie. The one-piece rigid tie joins the first and second elongated lateral me...
02/08/2000
6018917Inserted holdown for shearwalls
A method for anchoring a specialized structural member having an internal cavity to a foundation to resist uplift forces imposed on the structural member. Structural members having interior cavities with external openings are anchored to foundations by wa...
02/01/2000
6006487Loadbearing wall holdown
The present invention is a channel-shaped connector for connecting a first building structural member to a second building structural member in conjunction with fasteners and an anchor member to resist forces on buildings imposed by earthquakes, hurricane...
12/28/1999
5979130Connector with concave seat
A connector having a concave seat member for connecting a first building structural member to a second building structural member in conjunction with fasteners and an anchor member to resist forces on buildings imposed by earthquakes, hurricanes, tornadoe...
11/09/1999
5829875Combined barrier and mixer assembly for a cylindrical container
The present invention provides an apparatus for first separating and later mixing a of materials stored in a cylindrical container. The apparatus of the present invention serves as an effective barrier during storage of the materials. It also serves as an...
11/03/1998
5813182Strap tie connector
A connector for securing a structural member to a concrete foundation. The connector is embedded in a concrete foundation and fasteners attach the connector to the structural member to be anchored. A connector constructed in accordance with the present in...
09/29/1998
5755416L-shaped shelf bracket with a frictionally engaging strut member
A shelf bracket composed of a generally L-shaped bracket member and a strut member connected to distal ends of the bracket member. The bracket member comprises a perimeter flange extending angularly from substantially the entire perimeter of the bracket m...
05/26/1998
5732519One piece foundation-to-frame connection
A one piece foundation-to-frame member connection for retrofit attachment of a wood building frame member such as a sill plate to a foundation. The connection is particularly useful where the mudsill plate was not initially anchored to the foundation by t...
03/31/1998
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