[특허]Method of braking a chain saw

Method of braking a chain saw 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B23D-057/02 B27B-017/02
출원번호	US-0589084 (2009-10-19)
등록번호	US-8601919 (2013-12-10)
발명자 / 주소	King, William C.
출원인 / 주소	King, William C.
대리인 / 주소	Welch, James D.
인용정보	피인용 횟수 : 0 인용 특허 : 30

초록

A method of applying frictional braking to motion of a cutter providing chain thereof, involving the entering of an insertional element into the chain channel guide.

대표청구항 ▼

1. A method of operating a chain saw including causing motion of a chain saw chain and stopping the motion of the chain saw chain, comprising the steps of: a) providing a chain saw comprising a housing, a chain saw chain comprised of links which include chain link mating elements and cutters, and an elongated support extending outward from inside said housing, in the outer surface of said elongated support there being present a continuous chain channel guide into which said chain link mating elements are slidably inserted such that during normal operation said chain link mating elements slide essentially freely through said continuous chain channel guide when forced to do so;said chain saw further comprising a brake for stopping the chain saw chain, the brake comprising an insertion element and control means for causing said insertion element to move into a substantially fixed braking position in the continuous chain channel guide, said control means including a lever arm, said insertion element being affixed to said lever arm and extending from said lever arm into a channel present in the plane of said elongated support, the channel providing access to the chain channel guide, and said lever arm being pivotally connected to said elongated support, said control means further including a brake operation handle affixed to said lever arm such that in operation, when a force is applied to said brake operation handle, said lever arm rotates about its pivotal connection to said elongated support thereby causing said insertion element to move through the channel, wherein said force applied in a first direction causes movement of said insertion element through said channel and into said chain channel guide when braking of said chain saw chain motion is desired, and said force applied in an opposite second direction causes movement of said insertion element away from said chain channel guide and through said channel when braking of said chain saw chain motion is not desired;said insertion element serving to apply braking to said chain saw chain when braking of said chain saw chain motion is desired, and to not contact said chain saw chain when braking of said chain saw chain motion is not desired, said chain link mating elements having structure that is configured to cooperate with the insertion element such that contact therebetween prevents relative movement between the insertion element and the chain link mating elements,wherein said braking is applied by said insertion element being disposed in said substantially fixed braking position intersecting a path of said chain link mating elements within said chain channel guide, such that when said insertion element intersects said path, said insertion element is substantially fixed with respect to the direction of movement of said chain saw chain along said path and abuts one of said chain link mating elements to block movement of the chain link mating element and stop the motion of the chain saw chain;b. allowing the chain saw chain to move free of braking by causing said insertion element to be in a substantially fixed non-braking position so as to not be present in the continuous chain channel guide and causing the motion of said chain saw chain to cause said chain saw chain to slide essentially freely through said chain channel guide while said insertion element is in said substantially fixed non-braking position; andc. braking the chain saw chain by causing said insertion element to be moved through said channel present in the plane of said elongated support which provides access to the continuous chain channel guide and enter into said chain channel guide such that said insertion element is in said substantially fixed braking position wherein it contacts and blocks movement of one of said chain link mating elements and stops the motion of said chain saw chain.

이 특허에 인용된 특허 (30)

Bass David L. (3201 Martin Johnson Chespeake VA 23323), Anti-kerf bind device.
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Frderer Karl (Schwaikheim DEX), Anti-vibration element.
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Raiski Juhani (P.O. Box 26 SipilSF-34801 Virrat FIX), Assembly for attaching a cutter blade into a chain saw.
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Schliemann Harald (Waiblingen DEX) Wissmann Michael (Markgrningen DEX) Nickel Hans (Cottenweiler DEX), Brake arrangement for a chain saw.
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Halverson James E. (Rte. One ; Box 40 Hillsdale WI 54744), Chain saw bar with automatic tensioning.
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Phillips William R. (Sacramento CA), Chain saw braking mechanism.
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King, William C., Chain saw braking system.
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King, William C., Chain saw chain tensioning and braking system.
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Reynolds, Michael J., Chain saw device.
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Cool James E. (878 Cleveland Ave. S. Mogadore OH 44260), Chain saw electric all-stop safety switch.
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Piller Michael N. (3270 I St. Washougal WA 98671), Chain saw guide bar extension.
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Wolf Gnter (Oppenweiler DEX) Fink Reinhold (Fellbach DEX), Chain saw having a sprocket wheel cover and a brake device integrated into the cover.
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Ra Do-Jin (65-84 Booth St. ; Apt. 1L Rego Park NY 11374), Chain saw tensioning apparatus.
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Talberg James R. (Centerville MN), Chain saw tensioning mechanism.
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Leini Arvo (Granvagen SEX), Chainsaw guidebar.
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Nakamura Kazuya,JPX ; Mizutani Makoto,JPX ; Kondo Masaki,JPX, Electromotive chain saw.
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Fukushima Tsugio (Nagahama JA), Exhaust system of an internal combustion engine.
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Bell Don A. (Portland OR), Feed mechanism for a cutting device.
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Nitschmann Karl,DEX, Low noise cutter arrangement for a motor-driven chain saw.
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Ballantyne Ronald (Burlington CAX), Mechanism for tensioning a moving chain.
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van Halderen Gerardus (P.O. Box 4237 Quesnel ; British Columbia CAX V2J 3J3), Modified chain saw.
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Wolf Gnter (Oppenweiler DEX) Armbruster Herbert (Remseck DEX) Fink Reinhold (Fellbach DEX), Portable handheld work apparatus.
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Haertlein Reinhold (Schulstrasse 6 D-91469 Hagenbuchach DEX), Portable motor-driven cutting tool, particularly a power saw or the like.
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Harding Alfred F. (P.O. Box 7 Orleans CA 95556), Quick release device for chain saws.
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Fushiya Fusao (Anjo JPX) Inoue Nobuhiro (Anjo JPX), Safety device for a portable chain saw.
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Hashimoto Masaya (Mobara JPX), Saw blade machine and trimmer.
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Hensley Kenneth M., Saw chain sharpener for a chain saw.
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Schliemann Harald (Waiblingen DEX) Krebs Rudolf (Backnang DEX) Geyer Werner (Waiblingen DEX) Nickel Hans (Cottenweiler DEX) Zimmermann Helmut (Kernen DEX), Tensioning arrangement for a saw chain.
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Schliemann Harald (Waiblingen DEX) Geyer Werner (Waiblingen DEX) Zimmermann Helmut (Kernen i.R. DEX) Krebs Rudolf (Backnang DEX) Nickel Hans (Cottenweiler DEX), Tensioning arrangement for a saw chain of a motor-driven chain saw.
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Hawkins, John Riley; O'Neil, Michael J., Volume measuring intervertebral tool system and method.
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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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Method of braking a chain saw 원문보기

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Method of braking a chain saw 원문보기

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