Locking device with convertible shank

CAFC
  • US 6,672,115 B2
  • Filed: 04/24/2000
  • Issued: 01/06/2004
  • Est. Priority Date: 04/24/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A locking device adapted for insertion into first and second apertures having different sizes, comprising:

  • (a) a shackle member having a shank terminating in first and second ends;

    (b) a locking head movable between a locked state and an unlocked state;

    (c) a latch portion disposed at the first end of said shank and configured to selectively engage said locking head;

    (d) a stop portion disposed at the second end of said shank;

    (e) a sleeve removably disposed and carried on said shank when in an engaged position such that said shank and said sleeve together define a size conversion structure for said shackle, said size conversion structure having one operative thickness dimension for insertion into one of said first and second apertures when said sleeve is in the engaged position and another operative thickness dimension smaller than said one operative thickness dimension for insertion into another of said first and second apertures when said sleeve is removed from said shank; and

    (f) a retaining member independent of said locking head for releasably securing said sleeve on said shank.

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