There are straightcompression springs, tapered and cone shaped springs. They are made of different materials.
the trampoline was invented in 1928 by a famous acrobat thomas pumfrey, the use of a trampoline has changed since back then, as thomas used to bring a lot of prostitutes back to his house. one day he took roughly 7 back as far as reports go, his small bed couldn't accompany all these sluts, so he searched for a more effective method of sleeping with them. after thoroughly serving all 7 of them he went to his garden shed and found a variety of springs, steel poles and a large elastic material, hence the trampoline was created.
They have springs because when you click the pen, there needs to be some tention on the cartrage in hte pen.
The springs are there to absorb motion. If they weren't there, normal movements during sleep could actually hurt you.
no
The bed spring was invented by Louis Frank, in the late 1800s, or early 1900s. This was my great grandfather.
The Egyptians invented the bunk bed
Go to www.productsamerica.com. They have tons of crib hardware including the "s" hooks for the springs.
L.C. Bailey invented the folding bed in 1899. The reason it is said he invented the folding bed was for soldiers.
The frame and springs are steel. The bed is a fabric webbing. The springs attach to plastic fittings on the bed. The padding is filled with expanded foam and covered with a plastic-coated fabric.
The springs are a flat mesh type metal with hooks on each corner, and it sits on top of the side rails.
There are 3 main parts: The Frame, The Bed and The Springs.
shiny metal
It was invented just before you were born and me AND your MOM invented it
A box springs can squeak for various reasons including that it is rubbing against the bed frame. Instead of replacing the box springs, you can add some padding so it does not rub against the frame.
L.C. Bailey invented the folding bed in 1899. The reason it is said he invented the folding bed was for soldiers.
1845