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US4215871A Expired / Lapsed US ⏱️ 0.0 years remaining

Hand held collet

Assignee: Vargus Ltd
•
Filing: 1979-03-05
•
Granted: 1980-08-05
•
Expires: 1999-03-05
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Abstract

Abstract A hand-held collet for holding a tool or the like within displaceable jaw pieces which are mounted on sprung rods accommodated within a hollow tubular handle.

Inventors

  • 👤 Mordechai Hirsch
  • 👤 Ilan Cohen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:47
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/1207; B23B31/1253; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17418; Y10T279/17427; Y10T279/17461; Y10T279/17487; Y10T279/17504; Y10T279/17512

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 212 words
A hand held collet comprising a hollow tubular handle; a first, externally threaded end portion of said handle; a plurality of jaw pieces; a like plurality of resiliently flexible rods; a rod anchoring block to which a first set of ends said rods is secured, an opposite set of ends of said rods being secured to said jaw pieces so that said jaw pieces radiate outwardly with respect to said block; a collet collar; a first, apertured, tapering end portion of said collar; a second, opposite internally threaded end portion of said collar; said collet being assembled with said anchoring block and rods disposed within said handle and with said jaw pieces extending beyond the first end thereof into said collar, screw coupling of said collar to said handle resulting in the inward gripping, displacement of said jaw pieces against an outwardly directed biasing force exerted by said rods; an annular member surrounding said rods; and a plurality of fixed jaw pieces formed integrally with said member and respectively disposed between said first mentioned jaw pieces, a skirt portion of said member adapted to be located within said first end portion of said handle and an outwardly directed flange of said member adapted to abut a rim of said first end portion.
Claim 2
Dependent Claim 212 words
A hand held collet comprising a hollow tubular handle; a first, externally threaded end portion of said handle; a plurality of jaw pieces; a like plurality of resiliently flexible rods; a rod anchoring block to which a first set of ends said rods is secured, an opposite set of ends of said rods being secured to said jaw pieces so that said jaw pieces radiate outwardly with respect to said block; a collet collar; a first, apertured, tapering end portion of said collar; a second, opposite internally threaded end portion of said collar; said collet being assembled with said anchoring block and rods disposed within said handle and with said jaw pieces extending beyond the first end thereof into said collar, screw coupling of said collar to said handle resulting in the inward gripping, displacement of said jaw pieces against an outwardly directed biasing force exerted by said rods; an annular member surrounding said rods; and a plurality of fixed jaw pieces formed integrally with said member and respectively disposed between said first mentioned jaw pieces, a skirt portion of said member adapted to be located within said first end portion of said handle and an outwardly directed flange of said member adapted to abut a rim of said first end portion.
Claim 3
Dependent Claim 24 words
A collet according to claim 1 wherein there is furthermore provided a screw-on cap for closing a second and opposite end of said handle.

References Cited (Backward Citations)

US160954A Cited
US184445A Cited
US432180A Cited
US1306354A Cited
US990087A Cited
US1362981A Cited
FR552442A Cited
CH309993A Cited
US2683931A Cited
DK109422C Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-08-05 1984-02-04 1984-08-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-08-05 1988-02-04 1988-08-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-08-05 1992-02-04 1992-08-05 $7700.00 Window Closed / Lapsed

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