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Title: US4664565: Cutting tool coolant dispensing
[ Derwent Title ]


Country: US United States of America

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10 pages

 
Inventor: Palm, Bernhard; Brookfield, WI

Assignee: Milwaukee Electric Tool Corporation, Brookfield, WI
other patents from MILWAUKEE ELECTRIC TOOL CORPORATION (376830) (approx. 109)
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Published / Filed: 1987-05-12 / 1985-04-08

Application Number: US1985000720861

IPC Code: Advanced: B23B 45/14; B23B 47/16; B23Q 9/00; B23Q 11/10; B25F 5/00;
IPC-7: B23B 45/14;

ECLA Code: B23Q9/00C; B23Q11/10;

U.S. Class: Current: 408/006; 408/056; 408/076; 408/710; 408/712;
Original: 408/006; 408/056; 408/076; 408/710; 408/712;

Field of Search: 408/056,57,58,59,60,61,129,234,712,5,6,710 409/135,136 417/476

Priority Number:
1985-04-08  US1985000720861

Abstract:     The power tool has a magnetic base with superposed permanent magnet assemblies. The upper assembly can be moved relative to the lower assembly to subtract from or reinforce the magnetic field. When the sensing probe is pushed into the base the electric motor can be switched on to rotate a spindle on which a rotary cutting tool is axially mounted. The tool feed is controlled by a handle which can be mounted on either side of the tool housing. A coolant reservoir on the base has a hose connected to a pump which is connected to a manifold supplying coolant to the center of the cutting tool. The cutting tool is biased upwardly and pinches off the coolant when the tool is raised from the work.

Attorney, Agent or Firm: Michael, Bayard H. ;

Primary / Asst. Examiners: Weidenfeld, Gil; Webb, Glenn L.

Maintenance Status: CC Certificate of Correction issued

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First Claim:
Show all 9 claims
I claim:     1. A portable power tool comprising,
  • a frame,
  • said frame having a magnetic base for securing said tool to ferromagnetic surfaces which can be horizontal, vertical or anywhere in between,
  • a drive spindle rotatably mounted in said frame to be vertical when said base is mounted on a horizontal surface and to be horizontal when said base is mounted on a vertical surface,
  • an electric motor mounted on said frame and driving said spindle,
  • said spindle being provided with means for drivingly supporting a cutting tool for movement from an inoperative position towards an operative position in which said tool cuts the material to be worked upon,
  • a container mounted on said frame to hold coolant liquid,
  • conduit means for delivering coolant from said container to said tool,
  • a pump in said conduit means,
  • means operating said pump when said spindle rotates,
  • means preventing operation of said pump if said base is not magnetically attached to a ferromagnetic surface,
  • and valve means responsive to the position of said cutting tool and operative to shut off flow in said condut means when said cutting tool is in said inoperative position and operative to open and remain open when said cutting tool is moved towards said operative position.


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Description: Show description

Forward References: Show 5 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (5)   |   Backward references (23)   |   Citation Link

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Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 11pp US1658808* 1928-02 Klausmeyer et al.    
Get PDF - 6pp US1789841  1931-01 Rennick   Automatically-controlled circulating system for oils or other liquids
Get PDF - 5pp US2188631  1940-01 Kraus   Trepanning drill
Get PDF - 3pp US2249395  1941-07 Reese   Oil valve for cutting machines
Get PDF - 4pp US2272271  1942-02 Mallory   Method and apparatus for machining materials
Get PDF - 4pp US2381650  1945-08 Dick   Cutting fluid pump unit for drilling machines
Get PDF - 6pp US2491635  1949-12 Allen, Jr.   Coolant device for tools
Get PDF - 7pp US2651264* 1953-09 Bruckmann    
Get PDF - 6pp US2723405  1955-11 Woodward   Cleaning and lubricating of power-driven tool
Get PDF - 9pp US2748630* 1956-06 Dillon    
Get PDF - 3pp US2858716  1958-11 Doeden   Air-operated drill press attachment
Get PDF - 5pp US3413875  1968-12 Larson   COOLANT APPLICATOR FOR DRILL MOTORS
Get PDF - 5pp US3512433  1970-05 Schasz et al.   POSITIVE FEED DRILL
Get PDF - 7pp US3564944  1971-02 Hill et al.   APPARATUS FOR AUTOMATICALLY APPLYING CUTTING FLUID TO A ROTATING TOOL
Get PDF - 7pp US3689168  1972-09 Persson   MOUNTABLE CHIP BREAKER AND FLUTE CLEANER FOR ROTATING TWIST DRILLS
Get PDF - 4pp US3781024  1973-12 Ganser et al.   PORTABLE DRILLING APPARATUS INCLUDING A MECHANICAL, RECIRCULATING COOLING SYSTEM
Get PDF - 8pp US3884592  1975-05 Shulters   Portable center drill
Get PDF - 13pp US4261673  1981-04 Hougen   Magnetic base drill
Get PDF - 6pp US4278371  1981-07 Meyer  Milwaukee Electric Tool Corporation Safety interlock for electro-magnetic drill stand
Get PDF - 6pp US4322189  1982-03 Briese   Coolant control for milling tools
Get PDF - 7pp US4408935  1983-10 Miyanaga  Kabushiki Kaisha Miyanaga Metal borer
Get PDF - 8pp US4591301  1986-05 Pelfrey  Black & Decker Inc. Magnetic base machine tool
Get PDF - 15pp US4604006  1986-08 Shosi et al.  Nitto Kohki Co., Ltd. Drilling machine having electromagnetic base
  * some details unavailable
       
Foreign References:
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Publication Date IPC Code Assignee   Title
  SE0195448 1964-07       


Other Abstract Info: DERABS G86-273184

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