COIL SPRING

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20200256415A1
SERIAL NO

15776076

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A coil spring (100) includes a top portion (110) and a bottom portion (120). The top portion (110) includes three coils that are vertically stacked on top of each other to have a straight cylindrical shape in a side-view of the top portion (110). The three coils connect together such that no gap exists between the three coils in the side-view. The top portion (110) includes a top coil (115) that extends one and one-half turns along a flat plane as seen from a top-view of the top portion (110). The bottom portion (120) includes multiple coils that form a truncated-cone shape in the side-view and that in a compressed state extends one and one-half turns along a flat plane as seen from a bottom-view of the bottom portion (120).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
AMPD ENERGY LIMITEDUNIT 216-217 2/F CORE BUILDING 2 NO 1 SCIENCE PARK WEST AVENUE HONG KONG SCIENCE PARK SHATIN N T HONG KONG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
CHAN, Kevin Hong Kong, CN 77 1256
CHENG, Wai Kee Ricky Hong Kong, CN 1 1
NG, Brandon Boon Soon Hong Kong, CN 3 28
VALENTE, Luciano Gurgel Hong Kong, CN 3 28

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