Anti-theft locking device
AssigneePinhead Components Inc.
InventorLinda Ellen Young
Life of this patent
Estimating the term…
Abstract
A device for locking bicycle components to the bicycle frame comprises a threaded bolt with a corresponding nut having a rotatable casing surrounding the outer surface thereof and a key for engaging the nut. The key and the end face of the nut have at least one spigot and at least one hole such that the spigots of each fit into the holes of the other. When so engaged, the key is capable of turning the nut. The key preferably includes leverage arms for aiding the turning of the nut.
Claims17
An anti-theft device for a threaded bolt comprising:
- a) a nut, for engaging said bolt, having a generally cylindrical main body with a threaded bore, an outer surface, and a generally annular end face, said end face having at least one spigot and at least one hole, each extending parallel to a longitudinal axis of said nut;
- b) a casing coaxial with said nut and surrounding said outer surface of said nut, said casing being rotatable about the main body of said nut;
- c) a key having a face including at least one spigot and at least one hole;
- wherein, said spigots and holes on said nut end face are complementary to said spigots and holes on said key face whereby said key is capable of engaging the end face of said nut to rotate said nut on said threaded bolt.
An anti-theft device for securing bicycle components to a bicycle frame, said device comprising:
- a) a threaded bolt for insertion through an opening, said bolt including an end plate at one end thereof to prevent passage completely through said opening;
- b) a nut, for engaging said bolt, having a generally cylindrical main body with a threaded bore, an outer surface, and a generally annular end face, said end face having at least one spigot and at least one hole, each extending parallel to a longitudinal axis of said nut;
- c) a casing coaxial with said nut and surrounding said outer surface of said nut, said casing being rotatable about the main body of said nut;
- d) a key having a face including at least one spigot and at least one hole;
- wherein, said spigots and holes on said nut end face are complementary to said spigots and holes on said key face whereby said key is capable of engaging the end face of said nut to rotate said nut on said threaded bolt.
Dependencies are inferred from the claim text.