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US 2008/0066508 A1Published application
Lock barrel and a driving part for the same
OwnerSheng-Ho Chao, Chang-Tung Huanginventors
Life of this patent
Estimating the term…
Abstract
A lock barrel and a driving part for the same comprises a plurality of key channels for the insertion o the driving part (key) and a plurality of transverse gateways for housing movable parts, which will bulge into the key channels for making the channels effectively small and therefore shielding them from illegally intruded tools.
Claims9
(canceled)
A lock barrel and a driving part for the lock barrel, comprising:
- an outer shell with a longitudinal receptacle;
- a central shaft disposed in said outer shell capable of rotating relative to said outer shell, said central shaft further comprising an outer wall and a plurality of coaxial key channels, said central shaft having one end open for the insertion of a driving part;
- and
- a plurality of movable parts slidably housed in respective gateways transverse to said central shaft and connecting said key channels, each of said movable parts capable of being driven by said inserted driving part to move from a first position to a second position;
- and wherein a divider slab is placed along said receptacle of said central shaft so as to form two parallel key channels of semi-circular cross section.
2 more elements
(canceled)
Dependencies are inferred from the claim text.