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US 8,794,882 B2Granted
Releasable thread chaser
AssigneeChase 'Em Back Tools LLC
InventorsJim Whaley, Wesley C. Keys
Life of this patent
Estimating the term…
Abstract
A pivoting split thread chasing die with fastener is disclosed. In one example, the fastener can include a retainer that captures the fastener within one half of the thread chasing die. The thread chasing die may make it easier for a user to refurbish threads of large bolts and studs.
Claims20
A thread chaser, comprising:
- a first die half;
- a second die half, the second die half coupled to the first die half, the first and second die halves forming a hex shaped periphery of the thread chaser when in a closed position;
- and
- a fastener that passes at least partially through the first and second die halves, the fastener including a fastener retainer, the fastener and the fastener retainer positioned within the hex shaped periphery when the thread chaser is in the closed position, and the fastener retainer positioned on the fastener such that the fastener is captured within the second die half when an end of the fastener that passes at least partially through the first die half is flush or recessed from a closing face of the second die half.
1 more element
A thread chaser, comprising:
- a first die half including a first fastener accepting bore and internal threads;
- a second die half including a second fastener accepting bore and a counter bore, the second fastener accepting bore and the counter bore having a common centerline;
- a hinge pin coupling the first die half and the second die half;
- and
- a fastener including external threads fit to the internal threads and a sliding fastener retainer that slides along a length of the second fastener accepting bore, the fastener coupling the first die half to the second die half, the fastener including a fastener retainer groove that accepts the sliding fastener retainer, the fastener retainer groove positioned on the fastener such that the fastener is captured within the second die half when an end of the fastener that passes into the first die half is flush with a closing face of the second die half.
2 more elements
A thread chaser, comprising:
- a first die half including a first fastener accepting bore and internal threads;
- a second die half including a second fastener accepting bore and a counter bore, the second fastener accepting bore and the counter bore having a common centerline;
- a hinge pin coupling the first die half and the second die half;
- a fastener including external threads fit to the internal threads, the fastener positioned at least partially within the second die half;
- and
- a fastener retainer located such that the fastener is captured within the second die half when an end of the fastener that passes into the first die half is flush or recessed from a closing face of the second die half.
3 more elements
Dependencies are inferred from the claim text.