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Keyless entry systems for use with conventional locksets

  • US 5,920,268 A
  • Filed: 10/11/1996
  • Issued: 07/06/1999
  • Est. Priority Date: 10/11/1996
  • Status: Expired due to Fees
First Claim
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1. Apparatus for operating a lockset which comprises a lockset body and a latch, said lockset having (1) a latch closed state in which the latch is extended from the lockset body, (2) a latch open state in which the latch is retracted into the lockset body, and (3) a rotatable inside handle which, upon rotation, transfers the lockset from its latch closed state to its latch open state, said apparatus comprising:

  • (A) an electric motor;

    (B) control means for activating the electric motor in response to a signal transmitted from a remote location; and

    (C) drive means associated with the electric motor for rotating the inside door handle when the control means activates the electric motor to transfer the lockset to its latch open state.

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