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US 6,672,791 B2Granted
Double ended fastening system
AssigneeNewfrey LLC
InventorsGary L. Schubring, Allen Dale Moring, Darren Shuan Byrne, Edward D. Murphy
Life of this patent
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Abstract
The preferred embodiment of a double ended fastening system includes a first segment for engaging a component and a second threaded segment for engaging a nut. In another aspect of the present invention, the component has a stud receiving portion made of a polymer or soft metal. A further aspect of the present invention provides a self-drilling and self-tapping feature on the stud.
Claims49
A fastening system comprising:
- a member having a stud receiving portion;
- a stud having a first threaded segment and a second threaded segment, a fixed lateral projection separating the threaded segments, the first segment being secured internal to the stud receiving portion;
- a third threaded segment removably connecting to the second threaded segment opposite the first threaded segment, the threaded segments being substantially co-axially aligned with each other;
- and
- a nut operably engaging the second threaded segment.
2 more elements
A fastening system comprising:
- (a) an automotive vehicle component;
- (b) a stud including:
- (i) a first segment having a first patterned external surface, the first segment being operable to engage the component;
- (ii) a second segment having a second patterned external surface different from the first patterned external surface;
- (iii) a flange separating the first and second segments;
- (iv) a third segment having a third patterned external surface, the third segment being removably connected to the second segment opposite the first segment;
- (v) a neck operable to join the second and third segments, the neck having a smaller diameter than the second and third segments;
- and
- (c) a nut operably secured to the second segment free of a substantially torquing installation force.
6 more elements
A fastening system comprising:
- (a) an automotive vehicle component having a portion made of metal with a material hardness of less than about 120 Brinell;
- (b) a stud including:
- (i) a first segment having a first patterned external surface, the first segment being operable to engage the metal portion of the component;
- (ii) a second segment having a second patterned external surface different from the first patterned external surface;
- (iii) a third segment having a third patterned external surface, the third segment being removably connected to the second segment opposite the first segment;
- (iv) a breakable reduced cross-sectional area operable to at least temporarily join the second and third segments;
- and
- (c) a nut operably secured to the second segment substantially free of rotation during initial installation.
5 more elements
A fastening system comprising:
- (a) a structure;
- (b) a stud including:
- (i) a first segment having a thread and a point, the first segment being operable to engage the structure;
- (ii) a second segment having a patterned external surface;
- (iii) a third segment having a patterned external surface, the third segment being removably connected to the second segment opposite the first segment;
- (iv) a breakable neck operable to at least temporarily join the second and third segments;
- and
- (c) a nut operably secured to the second segment.
5 more elements
Dependencies are inferred from the claim text.