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Combination locks

  • US 4,450,698 A
  • Filed: 02/16/1982
  • Issued: 05/29/1984
  • Est. Priority Date: 02/16/1982
  • Status: Expired due to Term
First Claim
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1. A combination lock having a locking member movable between locking and unlocking positions, a plurality of rotary elements for controlling the position of the locking member by peripheral cooperation of the respective elements with the locking member, each rotary element having a periphery including a major portion and a minor portion, the major portion holding the locking member in locking position when the element is suitably rotated with any point on the major portion engaging the locking member, the major portion comprising a central section disposed on an arc defining a part of a circle and end sections connecting the major portion to opposite ends respectively of the minor portion, the minor portion being disposed within said circle and when suitably mutually aligned with the minor portions of the other rotary elements, allowing the locking member to assume an unlocking position, the ends of the minor portion being spaced inwardly of said circle and the end sections of the major portion each extending inwardly from a point on the circle to a respective end of the minor portions.

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