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US3793708A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic cutting-tip replacing apparatus

Assignee: Okuma Corp
•
Filing: 1972-09-18
•
Granted: 1974-02-26
•
Expires: 1992-09-18
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Abstract

Abstract An automatic cutting-tip replacing apparatus in a machine tool, having means for firmly clamping, at the required position, a cutting-tip which is detachably attached to the predetermined position of a tool holder or a cutting tool shunk and for removing the cutting-tip therefrom, and also having means for feeding a spare tip to said required position, said apparatus being mounted on a rotary table rotating between the tipreplacing position and the awaiting position. This arrangement eliminates the prior need of replacing the entire tool holder and greatly reduces the size of the tool replacing device thereby making both the designing of the apparatus and the attachment of the apparatus to the machine easy, providing an efficient operation as well as greatly saving time and labor.

Inventors

  • 👤 T Watanabe
  • 👤 H Yuhara

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 23:34
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1666; B23Q; B23Q3/00; B23Q3/155; B23Q3/15506; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T483/00; Y10T483/17; Y10T483/1702; Y10T483/1707; Y10T483/1712; Y10T483/1714; Y10T483/1719; Y10T82/00; Y10T82/25; Y10T82/2585

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 84 words
An automatic cutting tip replacing apparatus comprising means for releasably clamping a cutting tip movably mounted in position on the tool holder or tool shank of a machine tool, means for removing a used tip from said mounting position, means for supplying a new tip to said mounting position, cassette means for respectively storing said used tips and new tips, all of said means being mounted as a unit on a rotary base movable between a waiting position and a cutting tip replacing position.
Claim 2
Dependent Claim 84 words
An automatic cutting tip replacing apparatus comprising means for releasably clamping a cutting tip movably mounted in position on the tool holder or tool shank of a machine tool, means for removing a used tip from said mounting position, means for supplying a new tip to said mounting position, cassette means for respectively storing said used tips and new tips, all of said means being mounted as a unit on a rotary base movable between a waiting position and a cutting tip replacing position.
Claim 3
Dependent Claim 26 words
An automatic cutting-tip replacement apparatus according to claim 1, the means for releasably clamping and removing said cutting-tip is a piston-cylinder system utilizing a pressurized fluid.
Claim 4
Dependent Claim 24 words
An automatic cutting-tip replacing apparatus according to claim 1, the means for removing a used cutting-tip is a pipe for ejecting a pressurized fluid.
Claim 5
Dependent Claim 23 words
An automatic cutting-tip replacing apparatus according to claim 1, the means for removing a used cutting-tip is a pipe having a absorption force.
Claim 6
Dependent Claim 41 words
An automatic cutting tip replacing apparatus according to claim 1 in which said cassette means for used tips is locally cut out so that the cutting edge of a cutting tip is exposed from this cut out portion for visual inspection.
Claim 7
Dependent Claim 25 words
An automatic cutting tip replacing apparatus according to claim 5 further comprising means for indicating the number of used tips housed in said cassette means.

References Cited (Backward Citations)

US2323010A Cited
US3186266A Cited
US3186085A Cited
US3186267A Cited
US3460412A Cited
US3443310A Cited
US3513734A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-02-25 1977-08-27 1978-02-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-02-25 1981-08-27 1982-02-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-02-25 1985-08-27 1986-02-26 $7700.00 Window Closed / Lapsed

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