[특허]Motor-driven chain saw having a guide bar

Motor-driven chain saw having a guide bar 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B27B-017/02
출원번호	US-0996076 (1992-12-23)
우선권정보	DE-4142751 (1991-12-23)
발명자 / 주소	Mller Wilfried (Rudersberg DEX) Zimmermann Helmut (Kernen DEX)
출원인 / 주소	Andreas Stihl (Waiblingen DEX 03)
인용정보	피인용 횟수 : 22 인용 특허 : 0

초록 ▼

The invention is directed to a motor-driven chain saw having a drive motor arranged in a housing. The drive motor drives a saw chain on a guide bar via a sprocket wheel. The guide bar extends forwardly in the longitudinal direction of the chain saw and has an elongated slot in its rearward end facing toward the housing. Stud bolts fixed on the housing extend through the elongated slot in a direction transverse to the longitudinal direction of the chain saw. The rearward end of the guide bar is clamped between the housing and a sprocket-wheel cover through which the stud bolts extend. A holding device separate from the sprocket-wheel cover is provided at the rearward end of the guide bar for holding the rearward end of the guide bar in its position on the housing when the sprocket-wheel cover is removed. This holding device reliably holds the guide bar for mounting the saw chain.

대표청구항 ▼

A motor-driven chain saw defining a longitudinal axis and being equipped with a saw chain and a drive motor for driving the saw chain via a sprocket wheel, the motor-driven chain saw comprising: a housing for accommodating the drive motor therein; a guide bar having a guide groove for guiding the saw chain; said guide bar having a rearward end facing toward the housing where said guide bar is mounted on said housing so as to extend forwardly from said housing in the direction of said axis; said guide bar having an elongated slot formed in said rearward end; at least one threaded bolt fixedly mounted on said housing and extending through said elongated slot transversely to said axis when said guide bar is mounted on said housing; a sprocket-wheel cover for covering the sprocket wheel; threaded clamping means for threadably engaging said threaded bolt for clamping said rearward end of said guide bar between said housing and said cover; said guide bar having a predetermined position on said housing when mounted and held on said housing; a holding device for holding said rearward end in said predetermined position on said housing when said cover is removed; said holding device being separate from said cover; said holding device including said guide bar having an inner surface defining said elongated slot and said inner surface having an edge; a latching member being displaceable between a first position wherein said guide bar can be lifted off said housing and a second position wherein said guide bar is latched onto said housing; and, said latching member extending beyond said edge when in said second position thereby latching said guide bar to said housing in said predetermined position thereof.

이 특허를 인용한 특허 (22)

Moody Andrew, Apparatus for adjusting tightness of a chain saw cutting element.
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Buchholtz, Jochen; Schulz, Matthias; Gerstenberger, Oliver; Lux, Thomas; Apfel, Norbert; Regnet, Nina, Chain for a work implement, method for producing a stud for a chain and method for producing a driving member for a chain.
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Fisher,David B.; Champlin,David E.; Sims,Douglas, Chain saw.
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Fisher,David B.; Champlin,David E.; Sims,Douglas, Chain saw.
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Tsuruoka, Naoki, Chain saw.
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Veijo Ronkko FI, Chain saw.
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Wolf, Günter; Eberhardt, Maximilian; Weissert, Wolfgang, Chain saw.
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Franke, Jeff; Warfel, Paul; Tynes, Rodney, Chain saw adjuster.
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Franke, Jeff S., Chain saw adjuster mechanism with locking teeth.
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Igawa Hayato,JPX ; Okochi Hiromi,JPX ; Iizuka Akinori,JPX, Chain saw guide bar with chain-tightening device.
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Mizutani Makoto,JPX ; Abe Hideki,JPX, Chain tension device in a chain saw.
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Sundstrom Erik,SEX, Method and apparatus for adjusting the tension on a saw chain.
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Wolf, Günter; Pfleiderer, Gerhard, Motor chain saw.
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Galster, Werner, Motorized saw and clamping element.
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Kobayashi, Fujio; Miyaki, Hiroyuki; Nakano, Kenji, Part positioner and part pressing member.
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Takayanagi, Yoshiaki; Sugiyama, Masashi, Portable working machine.
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Wolf, Günter; Hollmeier, Friedrich; Bläsi, Jörg; Techow, Thomas, Power tool.
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Kapinsky, Ulrich; Zimmermann, Helmut; Oerding, Jochen, Power tool with sprocket cover.
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Berglund, Björn; Hammar, Magnus, Saw drive arrangement.
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Pfleiderer, Gerhard; Eberhardt, Maximilian; Wolf, Günter; Bernert, Jürgen, Sprocket cover arrangement for a hand-held chain saw.
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Yoneyama, Kazuhiro; Terao, Motohide, Structure for preventing falling of fastening nut of portable power work machine, and fastening nut anchor member.
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Buttery, Jeremy L.; Shymkus, Robert M.; Lucas, Delbert E.; Atchley, Robert, Torque-limited chain tensioning for power tools.
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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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연합인증

Motor-driven chain saw having a guide bar 원문보기

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Motor-driven chain saw having a guide bar 원문보기

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이 특허를 인용한 특허 (22)

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