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US 2005/0238459 A1Published application
Interactive fit screw thread
AssigneeIllinois Tool Works Inc.
InventorsKenneth Levey, Frank Bechtel, Michael Glynn
Life of this patent
Estimating the term…
Abstract
A threaded fastener includes a curved-line path thread provided in a helical pattern along a shank of the fastener. The curved-line path can be provided on either side of the standard straight-line path or on opposite sides of the straight-line path. The curved-line path and can be provided on all or a portion of the thread from near the tip end thereof to near the head end thereof.
Claims25
A threaded fastener comprising:
- a shank;
- a thread on said shank having a thread crest and a thread root, said thread disposed in a generally helical pattern along said shank;
- and
- at least a portion of said thread following a curved-line path, said curved-line path deviating from a straight-line helical path while following said generally helical pattern, with said thread crest and said thread root following a similarly curved path within said portion.
1 more element
A male threaded fastener comprising:
- a shank;
- a thread including a thread crest and a thread root having at least a portion thereof following a curved-line path in the shape of a sinusoidal wave;
- and
- said thread disposed on said shank in a helical pattern.
1 more element
An assembly comprising;
- a first component having an internally threaded opening;
- and
- an externally threaded component threadedly engaged in said opening, said externally threaded component including:
- a shank;
- an external thread on said shank having a thread crest and a thread root, said external thread disposed in a generally helical pattern along said shank;
- and
- at least a portion of said external thread following a curved-line path, said curved-line path deviating from a straight-line helical path while following said generally helical pattern, with said thread crest and said thread root following a similarly curved path within said portion.
4 more elements
Dependencies are inferred from the claim text.