Security fastener
AssigneeAtomic 22 Limited
InventorsPatrick Wells, Ayantika Mitra
Life of this patent
Estimating the term…
Abstract
A security fastener, for use with a corresponding key, having a channel in a head of the security fastener for receiving the key, the bottom of the channel being profiled wherein the depth of the channel varies along the length of the channel; a key for use with a security fastener; a combination, or a kit of parts, comprising a security fastener; a method of manufacturing a security fastener; and a method of processing an order for a security fastener.
Claims42
The combination of a rotary security fastener and a specific key, comprising:
- a fastener including a key receiving channel bounded by an outer wall defining a first profile, and by an inner wall defining a second profile, said key receiving channel defining at least one further profile;
- and
- a key including a male member having a shape that permit its entry into said key receiving channel only when said male member and said fastener are in a relative angular position that allows said key to engage at least one of said profiles to rotate said fastener,
- said profiles being configured to prevent the male member of a non-matching key from providing sufficient torque to loosen the fastener.
A method of manufacturing a rotary security fastener for use with a specific key, said fastener being formed with a key receiving channel bounded by an outer wall defining a first profile and by an inner wall defining a second profile, said key receiving channel defining at least one further profile, said key including a male member having a complementary shape that permits its entry into said key receiving channel only when said male member and said fastener are in a relative angular position that allows said key to engage at least one of said profiles to rotate said fastener, and said profiles are configured to prevent the male member of a non-matching key from providing sufficient torque to loosen the fastener, said method comprising generating machining code defining said first, said second and said further profiles, and using said code to:
- machine said key receiving channel in said rotary security fastener to define said first profile on said outer wall;
- machine said key receiving channel in said rotary security fastener to define said second profile on said inner wall;
- and
- machine said key receiving channel in said rotary security fastener to define said further profile.
Dependencies are inferred from the claim text.