Swing support assembly

Details Swing support assembly Swing support assembly

2001-09-06

2003-01-21

Ramirez, Ramon O. (Department: 3632)

Supports

Stand

Plural leg

C472S118000, C297S281000, C135S124000

Reexamination Certificate

active

06508444

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a swing support assembly, more particularly to a swing support assembly having front and rear leg units, each including two upright leg members that are disposed side-by-side.
2. Description of the Related Art
FIG. 1
illustrates a conventional swing which includes a support assembly
1
with a pair of spaced-apart upright side frames
11
, and a horizontal hanger bar
12
extending between upper ends of the side frames
11
. A seat unit
2
is disposed among the side frames
11
and the horizontal bar
12
, and is suspended on the horizontal bar
2
. Each of the side frames
11
includes front and rear legs
111
,
112
which have lower ends extending away from each other and upper ends extending close to each other, an upper connecting member
13
disposed between and secured to the upper ends of the front and rear legs
111
,
112
, and a lower connecting member
114
interconnecting intermediate sections of the front and rear legs
111
,
112
. The front and rear legs
111
,
112
are typically formed as hollow tubes.
In practice, the side frames
11
must be designed to be sufficiently strong and stable so as to bear the weights of the horizontal bar
12
, the seat unit
2
and the person(s) seated on the seat unit
2
. Conventionally, when it is desired to increase the strength of the side frames
11
, the radius of the front and rear legs
111
and the thickness of the tubular walls of the legs
111
are increased. However, the front and rear legs
111
are formed by drawing hollow metal tubes using a known drawing machine. It is noted that the cost of the drawing process is significantly increased when drawing metal tubes with increased radius and thickness.
SUMMARY OF THE INVENTION
Therefore, the main object of the present invention is to provide a swing support assembly which can be manufactured at a lower cost while having a relatively strong supporting strength.
Accordingly, the swing support assembly of the present invention includes a pair of upright side frames which are spaced apart from each other, and a horizontal hanger bar extending between the side frames. Each of the side frames includes a front leg unit and a rear leg unit. The front leg unit includes a pair of front leg members which are disposed side-by-side, and a front connecting member disposed between the front leg members and secured to the front leg members. The rear leg unit includes a pair of rear leg members which are disposed side-by-side, and a rear connecting member disposed between the rear leg members and secured to the rear leg members. Each of the side frames further includes at least one intermediate connecting member disposed between the front and rear leg units and fastened to the front and rear connecting members for fastening together the front and rear leg units of a respective one of the side frames.


REFERENCES:
patent: 4121604 (1978-10-01), Rain
patent: 5241717 (1993-09-01), Ward et al.
patent: 6036605 (2000-03-01), Tseng
patent: D423802 (2000-05-01), Tseng

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