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US 2010/0247270 A1Published application
Screw assembly
AssigneesHONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., Hon Hai Precision Industry Co., Ltd.
InventorXIANG CAO
Life of this patent
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Abstract
A screw assembly includes hollow first screw and a second screw smaller than the first screw in size. A first thread is defined on an outer surface of the first screw. A receiving hole is defined in the first screw. The second screw is adapted to be received in the receiving hole to engage with the first screw.
Claims7
A screw assembly, comprising:
- a substantially hollow first screw defining a receiving hole, wherein the first screw forms a first threading on an outer surface of the first screw;
- and
- a second screw smaller than the first screw in size, wherein the second screw is adapted to be received in the receiving hole to engage with the first screw.
A screw assembly, comprising:
- a first screw defining a receiving hole along a central axis of the first screw, wherein a first thread is formed on an outer surface of the first screw, and a second thread is formed on an inner wall bounding the receiving hole of the first screw;
- and
- a second screw adapted to be screwably received in the receiving hole, wherein a third thread is formed on an outer surface of the second screw to engage with the second thread of the first screw.
Dependencies are inferred from the claim text.