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CHAIN LOCK

  • US 20200131806A1
  • Filed: 10/25/2019
  • Published: 04/30/2020
  • Est. Priority Date: 10/26/2018
  • Status: Active Grant
First Claim
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1. A chain lock, comprising:

  • a lock body including a lock core disposed in the lock body, a lock body side face, and a socket; and

    a linkage chain set, including;

    a first linkage chain formed via linking a plurality of first link plates and having a first linkage chain first end and a first linkage chain second end, wherein the first linkage chain first end is joined with the lock body; and

    a second linkage chain formed via linking a plurality of second link plates and having a second linkage chain first end and a second linkage chain second end, wherein the second linkage chain first end is joined with the first linkage chain second end, wherein the second linkage chain second end can be inserted into the socket and secured by the lock core;

    wherein when the second linkage chain second end is not secured by the lock core, the first linkage chain can be folded to make the plurality of first link plates overlap with each other, the second linkage chain can be folded to make the plurality of second link plates overlap with each other, the folded first linkage chain and the folded second linkage chain can lean against each other and are located beside the lock body side face.

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