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US 2006/0185701 A1Published application
Umbrella skeleton
OwnerChun-Tsai Chen, Shui-Chuan Suinventors
Life of this patent
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Abstract
An umbrella skeleton has a major shaft and an umbrella frame, and the umbrella frame includes a connection member, a middle runner, a lower runner, a spring, a sleeve, multiple ribs, multiple first stretchers and second stretchers. Besides the normal function of the umbrella, the umbrella skeleton can be assembled by hand conveniently without any rivets and iron wires. Moreover, most elements can be made of plastic.
Claims8
An umbrella skeleton comprising a major shaft (10) and an umbrella frame (20), wherein
- a button (12) is provided on a lower part of the major shaft (10);
- the umbrella frame (20) includes a connection member (21), a sleeve (22), a middle runner (23), a spring (24), a lower runner (25), multiple ribs (26), multiple first stretchers (27), and multiple second stretchers (28), wherein the quantities of the ribs (26), the first stretchers (27), and the second stretchers (28) are the same;
- the connection member (21) is mounted in an upper end of the major shaft;
- the middle runner (23) and the lower runner (25) are mounted around the major shaft (10) and below the connection member (21);
- a clamp hole (253) is defined in a lower part of the lower runner (25), the sleeve (22) is provided between the connection member (21) and the middle runner (23), and the spring (24) is mounted around the major shaft (10) and below the middle runner (23);
- one near end of each rib (26) is received in the connection member (21), each first stretcher (27) is pivotally mounted between the middle runner (23) and a respective rib (26), and each second stretcher (28) is pivotally mounted between the lower runner (25) and a respective first stretcher (27).
3 more elements
Dependencies are inferred from the claim text.