[특허]Abrading or polishing tool with improved motor chamber

Abrading or polishing tool with improved motor chamber 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B24B-023/00 B24B-023/02
출원번호	US-0106731 (2011-05-12)
등록번호	US-8758095 (2014-06-24)
발명자 / 주소	Hutchins, Donald H. Hutchins, Alme Maldini, Paul D.
출원인 / 주소	Hutchins Manufacturing Company
대리인 / 주소	Christie, Parker & Hale, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 39

초록 ▼

The present invention relates to an abrading or polishing tool with an improved motor chamber, and more particularly to a tool with a motor chamber having a sleeve or liner lining the inside surface of the motor chamber. In one embodiment, an abrading or polishing tool includes a body defining an internal motor chamber with an inner surface, a liner lining the inner surface of the motor chamber, a rotor contained within the motor chamber for rotation against the liner, and an abrading or polishing head coupled to the rotor for rotation.

대표청구항 ▼

1. An abrading or polishing tool, comprising: a body defining an internal motor chamber with an inner surface;a liner having a uniform thickness lining the inner surface of the motor chamber;a rotor contained within the motor chamber for rotation against the liner; andan abrading or polishing head coupled to the rotor for rotation. 2. The abrading or polishing tool of claim 1, wherein the liner comprises a clock spring or a leaf spring biased against the inner surface of the motor chamber. 3. The abrading or polishing tool of claim 1, wherein the liner comprises steel. 4. The abrading or polishing tool of claim 1, wherein the liner comprises at least one opening through the liner for allowing a flow of air into or out of the motor chamber. 5. The abrading or polishing tool of claim 1, wherein the inner surface of the motor chamber comprises a rib extending out from the inner surface, and wherein the liner is seated against the rib. 6. The abrading or polishing tool of claim 1, further comprising a bearing cup attached to the body below the motor chamber to provide a floor for the motor chamber. 7. The abrading or polishing tool of claim 6, wherein the bearing cup comprises threads for assembling the bearing cup to the body, and wherein the threads match a direction of rotation of the rotor. 8. The abrading or polishing tool of claim 7, wherein the threads are left-hand threads. 9. The abrading or polishing tool of claim 6, wherein the bearing cup further comprises at least one depression or protrusion on a lower surface of the bearing cup opposite the motor chamber, for assembly and disassembly of the bearing cup. 10. The abrading or polishing tool of claim 6, wherein the bearing cup comprises a shoulder that abuts a shoulder on the body to align the bearing cup with the motor chamber. 11. The abrading or polishing tool of claim 1, wherein the motor chamber of the body is offset with respect to an axis of rotation of the rotor. 12. The abrading or polishing tool of claim 1, wherein the inner surface of the motor chamber comprises at least one recess for a flow of air into or out of the motor chamber. 13. The abrading or polishing tool of claim 1, further comprising an upper bearing molded into a top end of the body. 14. A pneumatic abrading or polishing tool, comprising: a tool body having a hollow interior defining an integral motor chamber with an inner surface;a sleeve lining the inner surface of the motor chamber, wherein the sleeve comprises a spring biased against the inner surface of the motor chamber;a rotor contained within the motor chamber for rotation against the sleeve;a carrier part coupled to the rotor for rotation therewith; andan abrading or polishing head attached to the carrier part. 15. The pneumatic abrading or polishing tool of claim 14, further comprising a lower bearing cup received in the hollow interior of the tool body below the motor chamber, and providing a floor for the motor chamber. 16. The pneumatic abrading or polishing tool of claim 14, further comprising an upper bearing molded into a top end of the tool body. 17. The pneumatic abrading or polishing tool of claim 14, wherein the inner surface comprises a rib for aligning the spring.

이 특허에 인용된 특허 (39)

Hutchins Donald H. (Sierra Madre CA), Abrading or polishing tool.
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Hutchins Alma A. (Pasadena CA), Abrading tool.
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Hutchins Donald H. (Sierra Madre CA), Abrading tool with water feed and removal system.
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Hock Thomas H. (Westminister MD) O\Banion Michael L. (Westminister MD) Koehler Heinrich P. F. (Hanover PA) Wynes Joseph (Baltimore MD), Apparatus for use with stationary belt sander station.
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Valentini Guido (Via Giambellino 121/A 20146 Milan ITX), Device for manual assembly and removal of working discs in manual tools for machining surfaces.
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Heidelberger Richard A., Dual action sander.
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McDougall Robert J. (Brockville CAX), Dust shroud for an abrading tool.
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Huber Paul W., Ergonomically friendly random orbital construction.
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Hutchins Alma A. (Pasadena CA), Fluid device with wear reducing rotor assembly.
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Curtiss George R. (Chardon OH), Free-wheeling overspeed grinder device.
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Law ; John P., Grinder safety device.
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Hutchins Alma A. (Pasadena CA) Hutchins Donald H. (Sierra Madre CA) Boord Ronald (Pasadena CA), Orbital abrading or polishing tool.
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Hoffman Roger T. (Monroe Center IL), Orbital rubbing machine with improved spindle locking member.
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Donald H. Hutchins, Orbital sanding tool.
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Sun Yung-yung,TWX, Pneumatic grinding/polishing machine.
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Lin, Freddy, Pneumatic tool with safety effect.
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Hutchins Alma A. (Pasadena CA), Portable power operated sander.
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Hillestad Tollief O. (108 9th Ave. ; W. Summerland Key FL 33042) Hillestad Mark W. (220 Hatch Rd. Wadsworth OH 44281), Portable power tool for milling tube ends.
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Hutchins Alma A. (Pasadena CA), Powered abrading tool.
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Heidelberger Richard A. ; Baran David E., Quarter pad sander.
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Nickels ; Jr. Richard C. (Hampstead MD), Quick change pad assembly for orbital polisher.
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Howard ; Jr. Thomas J. (Whitehall MD) Sutton David L. (Forest Hill MD), Random orbit sander having air directing baffle.
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Howard ; Jr. Thomas J. (Whitehall MD) Sutton David L. (Forest Hill MD), Random orbit sander having braking member.
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Huber Paul W. (Lancaster NY), Random orbital sander.
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Huber Paul W. (Lancaster NY) Heckmiller ; Jr. David G. (Orchard Park NY), Random orbital sander.
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Huber, Paul W.; Heckmiller, Jr., David G., Random orbital sander.
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Hutchins Donald H. (Sierra Madre CA), Reciprocating abrading tool.
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Heidelberger Richard A. (Wheatfield NY), Reciprocating sander.
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Hutchins Donald, Rotary abrading or polishing tool.
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James Drago ; Joel R. Shaw ; Larry E. Strohm, Rotary shaft bearing isolator seal.
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Wicn Jan (VrmdSEX), Rotor for a screw rotor machine.
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Cazzaniga,Mario, Rotor for cooling pumps, in particular for marine engines and relevant manufacturing process.
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Hutchins, Donald H., Rotor with wear-resistant core for a power abrading or polishing tool.
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Ohnishi Kazumasa (Nagaoka JPX) Uchiyama Masahiro (Mitsuke JPX), Ultrasonic motor with a friction component.
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Marton Miksa (R.R. No. 1 Old Castle Windsor ; Ontario CA), Vacuum sander.
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Lohn Gerd (Biberach DEX), Vane air motor with eccentric adjustment ring and bearing ring for vane ends.
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Hutchins Donald H. (Sierra Madre CA), Water feed for sanding tool.
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Bruce,Robert William; Schell,Jerry Donald, Wear resistant variable stator vane assemblies.
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Hutchins Donald H. (Sierra Madre CA), Wet sander.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Abrading or polishing tool with improved motor chamber 원문보기

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Abrading or polishing tool with improved motor chamber 원문보기

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