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US 2013/0298623 A1Published application
Variable section key and lock
AssigneeSchlage Lock Company LLC
InventorJason C. Clifford
Life of this patent
Estimating the term…
Abstract
A key and lock are provided. The key is provided with a blade having a longitudinal axis. The blade is provided with a channel extending along at least a portion of the blade and along the longitudinal axis. One or more section members is disposed within the channel and coupled to the blade. The section member is capable of movement relative to the blade in the channel. A lock having a keyway and an associated tortuous path to receive the section members as the blade is inserted in the keyway is also provided.
Claims20
A key comprising:
- a bow and a blade attached to and extending away from said bow along a longitudinal axis;
- said blade including a channel that extends along at least a portion of said blade along said longitudinal axis;
- and
- a plurality of section members disposed within said channel and coupled to said blade, wherein said section members are movable relative to said blade and relative to one another as said blade is advanced in a keyway.
1 more element
A lock comprising:
- a lock cylinder defining a keyway and including multiple stationary section members along said keyway;
- each of said multiple stationary section members having opposite, facing protrusions that define a gap therebetween;
- and
- wherein, together, said gaps in said multiple stationary section members form a tortuous path along to said keyway.
1 more element
A system comprising:
- a key including a bow and a blade attached to and extending away from said bow along a longitudinal axis;
- said blade comprising a channel extending along said blade, said channel including an open side along said blade;
- a plurality of section members disposed within said channel and coupled to said blade, each of said section members being movable relative to said blade in said channel and including at least one protrusion extending toward said open side of said channel;
- a lock comprising a lock cylinder having a keyway comprising multiple stationary section members defining a tortuous path along said keyway;
- and
- wherein, when said key is inserted into said keyway, said protrusions of said section members contact said stationary members and move said section members relative to said blade within said channel to pass through said tortuous path.
3 more elements
Dependencies are inferred from the claim text.