×

Combination lock

  • US 5,485,734 A
  • Filed: 12/08/1993
  • Issued: 01/23/1996
  • Est. Priority Date: 12/08/1993
  • Status: Expired due to Fees
First Claim
Patent Images

1. A combination lock comprising:

  • a base equipped with at least one numerical wheel;

    a cover engageable with the base;

    a driving element operably mounted on the cover;

    a sliding block slidably received within the base and cover and actuated by the driving element;

    a control means being operably received on the sliding block and operable by a key to rotate a downwardly extending engaging element thereof to switch the combination lock between a key-openable mode and an a numerical-wheel-openable mode; and

    a sliding plate slidably received between the base and the sliding block, the sliding plate having;

    at least one ear to cooperate with the at least one numerical wheel and thereby selectively enabling a sliding movement of the sliding plate, anda guide portion adapted to cooperate with the engaging element and arranged such that the sliding block is confined to move with the sliding plate when the engaging element is in a first end of the guide portion and the sliding block is freely slidable relative to the sliding plate when the engaging element is in a second end of the guide portion.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×