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US4955770A Expired / Lapsed US ⏱️ 0.0 years remaining

Bed for a machine tool

Assignee: Kitamura Machinery Co Ltd
•
Filing: 1989-09-29
•
Granted: 1990-09-11
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Expires: 2009-09-29
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Abstract

Abstract A bed for machine tools which includes at least one hole of a structure such that chips or cutting oil fallen on the bed from a working stage is caused to fall into the hole. The bed is formed with an inclined surface of such inclination that chips or cutting oil fallen on the bed from the working stage of the machine tool is caused to gathered in a predetermined place on the bed. The inclined surface is sloping toward the hole formed in the bed.

Inventors

  • 👤 Koichiro Kitamura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 18:07
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/0042; B23Q11/0053; B23Q1/00; B23Q1/01; B23Q1/015; B23Q11/08; B23Q11/0875; Y; Y02; Y02P; Y02P70/00; Y02P70/10; Y10; Y10T; Y10T408/00; Y10T408/50; Y10T409/00; Y10T409/30; Y10T409/30392; Y10T409/304088

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 233 words
A machine tool comprising a feed shaft for moving a working stage on a bed of a machine tool relative to said bed, a stage movement guide for guiding the movement of said working stage, a cover means for covering an upper surface of said stage movement guide, a plurality of chip scraping wipers provided on said feed shaft and said cover, and means for collecting matter, wherein said bed has a first hole arranged above said collecting means and an inclined top surface for guiding matter which has fallen on said bed from said working stage toward said first hole, said stage movement guide comprises first and second guideways for supporting the upper surface of said working stage and guiding the movement of said working stage, said cover means comprises first and second stage guide covers for separately covering upper surfaces of said first and second guideways respectively, each of said first and second stage guide covers having an upper surface with an inclined portion, and said plurality of chip scraping wipers comprises first and second wipers for covering said first and second stage guide covers respectively and a third wiper for covering said feed shaft, whereby said first, second and third wipers wipe upper surfaces of said first and second stage guide covers and said feed shaft respectively through motion of said covers and said feed shaft relative to said bed.
Claim 2
Dependent Claim 233 words
A machine tool comprising a feed shaft for moving a working stage on a bed of a machine tool relative to said bed, a stage movement guide for guiding the movement of said working stage, a cover means for covering an upper surface of said stage movement guide, a plurality of chip scraping wipers provided on said feed shaft and said cover, and means for collecting matter, wherein said bed has a first hole arranged above said collecting means and an inclined top surface for guiding matter which has fallen on said bed from said working stage toward said first hole, said stage movement guide comprises first and second guideways for supporting the upper surface of said working stage and guiding the movement of said working stage, said cover means comprises first and second stage guide covers for separately covering upper surfaces of said first and second guideways respectively, each of said first and second stage guide covers having an upper surface with an inclined portion, and said plurality of chip scraping wipers comprises first and second wipers for covering said first and second stage guide covers respectively and a third wiper for covering said feed shaft, whereby said first, second and third wipers wipe upper surfaces of said first and second stage guide covers and said feed shaft respectively through motion of said covers and said feed shaft relative to said bed.
Claim 3
Dependent Claim 16 words
The machine tool as defined in claim 1, wherein said matter comprises chips and cutting oil.
Claim 4
Dependent Claim 19 words
The machine tool as defined in claim 2, further comprising means for separating said chips and said cutting oil.
Claim 5
Dependent Claim 19 words
The machine tool as defined in claim 1, wherein said upper surfaces of said stage guide covers are straight.
Claim 6
Dependent Claim 19 words
The machine tool as defined in claim 1, wherein said upper surfaces of said stage guide covers are curved.

References Cited (Backward Citations)

US1466811A Cited
US1870413A Cited
US1917831A Cited
US1912622A Cited
US2253846A Cited
US3511129A Cited
US3964801A Cited
GB2154914A Cited
JPH067729A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-09-10 1994-03-12 1994-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-09-10 1998-03-12 1998-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-09-10 2002-03-12 2002-09-11 $7700.00 Window Closed / Lapsed

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