Multi-angle hook

Details Multi-angle hook Multi-angle hook

2001-01-17

2004-10-26

Luu, Teri Pham (Department: 3673)

Beds

Sofa bed

Reverting back

C005S012100, C005S047000

Reexamination Certificate

active

06807693

ABSTRACT:

FIELD OF THE INVENTION
The present invention is generally directed to a multi-angle hook, and more particularly, to a multi-angle hook for use with a furniture extension.
BACKGROUND
Description of the Related Art
Futon frames come in one of at least two different configurations, bi-fold, and tri-fold. In a bi-fold configuration illustrated in
FIG. 1
, a convertible futon sofa-bed frame allows the futon mattress to fold once along its length. Typically, bi-fold configurations are utilized for larger width furniture, such as sofas, so that one or more persons may lie on the futon sofa-bed frame, with the orientation illustrated in FIG.
2
.
The tri-fold configuration, illustrated in
FIG. 3
, is more commonly utilized for narrower futon frames (for example a 28″ wide chair or 54″ wide loveseat). In a tri-fold, the futon mattress is folded twice along its usually shorter width. A futon mattress may hang over the back of the frame or be folded under the seat itself, or lay flat as a chaise lounge style seat. A person lies on the tri-fold in the orientation illustrated in FIG.
4
.
An extension
10
may be added to the seat platform
12
of a futon frame to form a leg-rest (as an ottoman) as well as giving extra length to smaller size futon frames to allow the user to form the full length bed illustrated in FIG.
4
.
The extension
10
may be a framed platform including outer frame members and inside slat components. The slats of the extension
10
commonly “nest” into the slats of the seat platform
12
; in other words, the extension slats slide in between the slats of the seat platform
12
, sliding in and out in relation to them.
The extension
10
may be fastened to the seat in various ways but most commonly there is a bar of wood or metal on the underside of (and at the rear of) the extension slats which holds the extension slats together as fixed group. This bar also serves to stop the extension
10
from being pulled completely out of the seat platform
12
. The bar is below the slats and stops firmly against the frame of the seat platform
12
keeping the extension
10
from pulling out completely. This bar is permanently fixed to the extension
10
and makes removal of the extension
10
from the rest of the frame impossible.
SUMMARY OF THE INVENTION
The present invention changes the nature of the attachment of the extension to the seat platform by allowing easy and complete removal of the extension from the seat platform.
The present invention utilizes a multi-angle hook that allows the extension platform to be freely lifted off the seat platform and alternately lowered and set into place.
This flexibility is advantageous in the following ways:
1) conversion of the futon frame into its various positions (bed, recliner, and upright-sofa) is easier to do as the frame is easier to manipulate with the extension removed;
2) defective parts are easily replaced; and/or
3) parts management in manufacturing is simpler thereby saving production cost.
Additionally, the multi-angle hook is stepped at its holding points to allow for at least two positions most extensions require:
1) Horizontal: flat for straight-legged position, such as a bed position; and
2) angled to the floor: a “steamer” position.


REFERENCES:
patent: 4875244 (1989-10-01), Tremblay
patent: 5519902 (1996-05-01), Meade
patent: 5709500 (1998-01-01), Mizelle et al.
patent: 6108833 (2000-08-01), Grossman et al.

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