Do any of you know of a supplier for sofa bed hinges, such as in the picture below. The type we need allows the seat to pull forward and raise up (to expose a storage area beneath) and to click and lay then seat/back section into a bed.
The hinges should look something similar to this:
So far, the only suppliers I've been able to find are in China.
Winters Sewing & Upholstery
Upholstery Resource website