U.S. patent number 3,831,338 [Application Number 05/269,491] was granted by the patent office on 1974-08-27 for connecting bracket for building structure.
This patent grant is currently assigned to Aluminum Company of America. Invention is credited to James D. Klingensmith, George J. Latkey.
United States Patent |
3,831,338 |
Klingensmith , et
al. |
August 27, 1974 |
CONNECTING BRACKET FOR BUILDING STRUCTURE
Abstract
A building structure combination in which a bracket is attached
to an elongated structural member by a fastening means that engages
an integral, transversely extending web portion at at least two
spaced apart locations therealong, and on opposed sides thereof,
with a force sufficient to deform the web and thereby provide an
interference fit between the web and the fastening means.
Inventors: |
Klingensmith; James D. (Apollo,
PA), Latkey; George J. (New Kensington, PA) |
Assignee: |
Aluminum Company of America
(Pittsburgh, PA)
|
Family
ID: |
23027476 |
Appl.
No.: |
05/269,491 |
Filed: |
July 6, 1972 |
Current U.S.
Class: |
403/400; D8/380;
403/231; 52/656.9; D25/125 |
Current CPC
Class: |
F16B
7/00 (20130101); Y10T 403/4602 (20150115); Y10T
403/7194 (20150115) |
Current International
Class: |
F16B
7/00 (20060101); E16b 007/00 () |
Field of
Search: |
;287/20.94,20.95,2.92C,189.35,189.36A,49,51,20.924 ;52/665,721,719
;248/300,74R,61 ;24/129B,81B,81CT,2TT |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Boler; James R.
Assistant Examiner: Shedd; Wayne L.
Attorney, Agent or Firm: Strickland; Elroy
Claims
Having thus described our invention and certain embodiments
thereof, we claim:
1. In combination with a first elongated structural member having
an integral, transversely extending web, a bracket disposed in
contacting engagement with said structural member, and fastening
means associated with said bracket engaging the web of said member
on opposed sides thereof at at least two spaced apart locations
therealong, the engagement of the web portion by the fastening
means being effective to deform the web to provide an interference
fit between the web and fastening means.
2. The structure of claim 1 in which the bracket comprises a
portion for engaging the first structural member and a portion for
fastening a second structural member to the bracket and thus to the
first structural member.
3. The structure of claim 1 in which the fastening means are tabs
struck from a wall portion of the bracket.
4. The combination of claim 3 in which the first structural member
has an integral depending web, and the wall portion of the bracket
has a curved end extending behind the depending web with the
bracket properly located on the structural member.
Description
BACKGROUND OF THE INVENTION
The present invention relates generally to metal building
structures, and particularly to a bracket-structural member
combination in which the bracket is conveniently fastened to one
structure member for the purpose of conveniently connecting thereto
another structural member.
The interest in metal structural members for constructing the frame
of a dwelling house and other building constructions continues at a
high level because of a number of factors vital to the building
industry. These factors include the essentially endless supply of
metal, in comparison to wood, as the basic building material, and
the economies involved in being able to continuously produce
structural members by fabricating techniques, extrusion processes
for example, which techniques and processes can provide metal
studding, beams, joists and even siding for buildings in a rapid
manner and at low relative cost.
In using such members, it is desirable that they be easily and
economically connected together to provide a rugged building
construction. For example, in connecting roof trusses or ceiling
joists to a horizontally disposed header member, such as that shown
in the Klingensmith et al. U.S. Pat. No. 3,633,327, a simple,
inexpensive means is needed for the connecting process.
BRIEF SUMMARY OF THE INVENTION
The present invention provides such a device in the form of a
bracket in combination with a structural member having a
transversely extending web portion. More particularly, the bracket
has a first portion disposed to engage the structural member, and
is attached thereto by a fastening means that engages the web
portion of the member on opposed sides of the web portion at at
least two spaced locations lengthwise of the web. The fastening
means engages the web in a manner that deforms the web into an
S-shaped configuration at the location of the fastening means, as
shown in the accompanying drawing. A second, integral portion of
the bracket provides a means for attaching another member, such as
a truss or joist, to the bracket and thus to the first member.
THE DRAWINGS
The invention, along with its advantages and objectives, will
become more apparent from consideration of the following detail
description along with the accompanying drawings in which:
FIG. 1 is a perspective front view of a bracket and structural
member combination of the invention; and
FIG. 2 is a perspective rear view of the bracket of FIG. 1.
PREFERRED EMBODIMENT OF THE INVENTION
Referring now to the drawings, and in accordance with one
embodiment of the invention, a bracket 10 is shown in FIG. 1
connected to an elongated, U-shaped (in cross section) channel
member 12, which member may be a structural member of a building
construction. A first, channel engaging portion of the bracket
comprises a front wall 13 provided with two spaced apart (and
vertically displaced) pointed tabs 14 struck inwardly from the
wall, as best seen in FIG. 2. The bracket includes further a top
wall 15, which can be considered the main body portion of the
bracket, joining the upper edge of the front wall at an angle
essentially perpendicular thereto. In addition, the bracket
includes a second, integral wall portion 17 extending along another
edge of the main wall or body 15, i.e., along an edge adjacent that
of the front wall, in a substantially perpendicular direction to
the plane of the main wall.
The channel member 12 includes an integral, transversely extending
web 19 which the tabs 14 engage in a manner presently to be
explained. Preferably, the channel member has two additional
integral, transversely extending webs 20 and 21, as shown in the
drawing, and an integral web or lip 24 angularly depending from the
web 20, and extending lengthwise of the channel member 12. The
opposed surfaces of the webs 19, 20 and 21 are preferably provided
with corrugated surfaces, as shown in FIG. 1.
The lower edge or end of the channel engaging wall portion 13 of
the bracket 10 has a curved portion 26 which extends behind and
engages the depending web 24 of the channel member when the bracket
is properly disposed in place on the front and top of the channel
member.
To mount and secure the bracket on the channel member 12, the
curved end portion 26 of the bracket is first located behind the
depending web 24 of the channel member. The bracket is then rotated
about the web and onto the channel member using the depending web
as a pivot point and means for the rotation. The curved end of the
bracket in engagement with 24 serves to properly locate and
register the tabs with the webs 19, 20 and 21 of the channel
member. As the bracket is rotated about the lip 24 and onto the
channel member, the tabs 14 of the bracket engage the center web 19
of the channel member respectively on opposed sides thereof and
deform the same (at 19A in FIG. 1) as the bracket is rotated into
full engagement with the channel member. The deformation of the web
19 provides an interference fit between the web and tabs which
prevents relative lateral movement between the bracket and the
channel member.
To provide the deformation of the web 19 and thus the interference
fit in the manner just described and as shown in FIG. 1, the tabs
14 are vertically displaced, as mentioned above, by an amount
sufficient to cause the desired amount of deformation. Similarly,
the height dimension of each tab is chosen to engage the opposed
corrugated surfaces of the webs 20 and 21 to provide additional
retaining force on the tabs and thus on the bracket 10.
The web deforming function of the tabs 14 tends to resist movement
of the bracket as it is rotated into place. For this reason, a
force sufficient to drive the bracket into complete engagement with
the channel member needs to be applied to wall 13 of the bracket
when joining the same to the channel member. This may be
accomplished with the use of an ordinary hammer.
With the bracket secured and fixed on the channel member, as
described above, the upstanding portion 17 of the bracket is
located to receive thereagainst a second structural member 28 for
connecting to the channel member 12. In the drawing, this second
member is shown as a solid, rectangular structure, such as a wooden
beam, joist or truss member, which may be secured to the bracket by
driving nails (not shown) through openings 29 provided in the wall
portion 17. The member 28 may also be metal, in which case it can
be secured to the portion 17 of the bracket by such means as
screws, rivets or welds.
It can be appreciated that if the channel member 12 is a
horizontally disposed building component (as shown in FIG. 1),
floor joists or roof rafters (28) can be easily and quickly
attached to the channel member, at any desired location therealong,
by properly locating and fastening the brackets 10 along the
channel member in the simple manner described above. This is
accomplished without separate fastening hardware. The channel
member itself is simply employed as is, i.e., the channel member
may be used as extruded (after it is cut into appropriate lengths).
The interference fit provided at 19A insures a rugged, permanent
connection between the two members 12 and 28, and thus provides a
high degree of holding force between the two.
In addition to the assembly functions that the curved portion 26 of
the bracket 10 performs in rotating the bracket and registering the
tabs 14 with the webs of channel 12, the curved portion, in
extending beneath and behind the depending web 24 of the channel,
also resists upward forces on a roof structure if the brackets are
used to attach roof trusses to the channel 12. Such forces are
created under certain air current and wind conditions. Further,
such a bracket structure and assembly resists any inward and
outward movement of building walls employing channels 12 as a
structural part thereof.
The integral tabs 14 are the preferred fastening means of the
invention though other fastening means may be employed. A simple
U-shaped staple might be used by directing the same through
appropriately spaced and vertically displaced holes provided in the
wall 13 of the bracket, and by driving the staple into engagement
with the webs 19, 20 and 21, with the use of a hammer.
The invention has thus far been described in terms of at least two
tabs 14 engaging and deforming a center web 19 of a channel member
12 into an S-shape to provide a rugged connection, and thus good
holding force, between members 12 and 28. A single tab, however,
might be used to engage and deform the web portions of a U-shaped
channel, having a depending web 24, though such a single tab would
understandably provide a lesser degree of holding force.
While the invention has been described in terms of preferred
embodiments, the claims appended hereto are intended to encompass
all embodiments which fall within the spirit of the invention.
* * * * *