Keyless lock
AssigneeAardee Spring & Lock Company Limited
InventorRobert Duncan
Life of this patent
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Abstract
A keyless button lock is described in which a plurality of lock buttons are provided, each button requiring a particular number of presses to attain an open or lock release position. A lock element is also provided which, when actuated, returns all buttons to a locked position. The buttons have more than one release or open position so that master and grand master keying can be provided. The lock may be coupled to a door lock mechanism in a single unit to minimize space and complexity. Embodiments of the invention are described.
Claims19
A keyless lock device comprising a housing having at least one lock release button disposed in a surface thereof and at least one lock element disposed on said surface, said lock release button being actuatable to define a plurality of lock positions and a plurality of lock release (position) positions and said lock element being operatively coupled to said lock release button, the arrangement being such that, in use, actuation of said lock release button a predetermined number of times attains one of said lock release positions whereby said keyless lock can be opened and actuation of said lock element actuates said lock release buttons to return to a locking position from said lock release position.
Dependencies are inferred from the claim text.