Self-locking fastener with threaded swageable collar
AssigneeHuck Patents, Inc.
InventorCristinel Ovidiu Cobzaru
Life of this patent
Estimating the term…
Abstract
A fastener having a bolt and a threaded swageable collar. The bolt includes a head portion, a flange portion, and a shank portion which extends through two aligned apertures formed in adjacent panels. The shank portion includes a threaded gripping portion and a locking groove adjacent to the gripping portion. The collar is cylindrical having an internally threaded section and a swaging section whereby the collar is fastened to the bolt by threading the threaded section of the collar onto the threaded gripping section of the bolt and swaging the swage portion of the collar into the locking groove of the bolt.
Claims17
A fastener comprising:
- a bolt having a head and a shank extending axially from the head,
- the shank having a smooth section and a threaded gripping section,
- the shank further having a locking groove adjacent the threaded gripping portion and a locking shoulder adjacent the locking groove opposite the threaded gripping section;
- and
- a cylindrical collar having a threaded portion and a swage portion,
- whereby the collar is fastened to the bolt by threading the threaded portion of the collar onto the threaded gripping section of the bolt and swaging the swage portion of the collar into the locking groove of the bolt.
A method of fastening panels comprising the steps of:
- inserting a bolt having a head portion and a threaded shank portion through aligned apertures in overlapping panels until the head portion engages a first surface of the overlapping panels;
- threading a cylindrical collar having a threaded portion and a swage portion onto the threaded shank portion until the threaded portion of the collar engages a second surface of the panels opposite the first surface;
- and
- swaging the swage portion of the collar into a locking groove of the bolt adjacent the threaded shank portion.
A fastener assembly comprising:
- a bolt having a head and a shank extending axially from the head;
- the shank having a threaded gripping section and a locking groove adjacent the threaded gripping section;
- and
- a cylindrical collar having a threaded portion on the inside diameter of the collar and a swaging portion adjacent the threaded portion.
Dependencies are inferred from the claim text.