Umbrellas according to the different functional design, there is a big difference in the fold.
Generally speaking, according to the folding number, the umbrella market is mainly divided into four categories: straight umbrella (one fold), two (two) folding umbrella, three folding umbrella and five folding umbrella. The so-called a few folding umbrella, refers to the umbrella skeleton (keel) can fold several times. For example, two folding umbrella umbrella frame can be folded twice meaning.
First, a straight umbrella or a folding umbrella. Umbrellas are mainly the majority, but also have both rain and light, all umbrella manufacturers are almost produced such straight rod umbrella. The advantage is that ribs are generally steel frame, durable, the elderly can also be used as crutches. The disadvantage is longer, generally not very convenient to carry, space.
Second, introduce two folding umbrella. This fold is generally more high-grade umbrellas, umbrellas. Familiar with parasol children's shoes may know, two folding umbrella is generally more expensive. This is because they are generally solid skeleton design, fabric mostly embroidery, imported color tape, etc., coupled with the exquisite design of good workmanship, so the price positioning in the high-end. The main advantages: Quality did not have to say that the design is very beautiful, easy to carry, wind and sun protection is good. Disadvantages: a little more than five fold, three fold umbrella weight so little (maybe not a disadvantage Oh).
Then: let's talk about the three-fold umbrella. This type of three-fold umbrella is widely distributed, most of the general umbrella, parasol is so designed. Do not believe, you can check out your umbrella. Mostly three fold Oh. It should be said that this is a more moderate design, unobtrusive and understated. From the texture, use and other aspects are relatively modest design. Good quality, long service life, better sun protection, moderate weight, the length is also moderate. The overall is modest, is more popular, practical design.
Finally, talk about five fold umbrella. These umbrellas are short and handy, easy to carry. Mainly for the general length and sun umbrella error, made of resin bone, high-grade aluminum alloy frame design. A lot of parasols designed into 50% is like this. The main disadvantage is the umbrella ribs, wind and rain umbrella is irresistible. So, these umbrellas for sun protection is more wise, wind and rain have to be careful.