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1. 发明授权

US4644658A Lubricating-oil pump arrangement for a motor-driven apparatus 失效
标题翻译：一种用于电机驱动装置的润滑油泵装置
公开(公告)号：US4644658A
公开(公告)日：1987-02-24
申请号：US680397
申请日：1984-12-11
申请人： Hans Dolata , Reinhold Fink , Gerd Itzrodt , Adam Kelbert , Siegfried Ryssel , Anton Wehle , Dieter Wieland , Gerhard Zerrer
发明人： Hans Dolata , Reinhold Fink , Gerd Itzrodt , Adam Kelbert , Siegfried Ryssel , Anton Wehle , Dieter Wieland , Gerhard Zerrer
IPC分类号： B27B17/12 , F02B63/02 , F16N7/38 , F16N13/00 , B23D57/02 , F01M1/00
CPC分类号： B27B17/12 , F02B63/02 , F16N13/00 , F16N7/38 , Y10T83/263
摘要： The invention is directed to a motor-driven apparatus such as a motor-driven chain saw or the like. It includes a lubricating-oil pump and an oil supply for a work tool and is equipped with a device for interrupting the supply of oil to the tool. This facilitates use of the chain saw apparatus with an accessory attachment work tool such as a hedge trimmer, drilling tool or the like for which a flow of lubricating oil is unnecessary.
摘要翻译：本发明涉及一种电动驱动装置，例如电动链锯等。它包括润滑油泵和用于工作工具的供油装置，并配备有用于中断向工具供油的装置。这有利于链锯装置的使用，附件附件工作工具例如树篱修剪器，钻孔工具等，不需要润滑油流。

2. 发明授权

US4406066A Power saw 失效
标题翻译：电锯
公开(公告)号：US4406066A
公开(公告)日：1983-09-27
申请号：US298957
申请日：1981-09-03
申请人： Gerd Itzrodt
发明人： Gerd Itzrodt
IPC分类号： B27B17/00 , B27G19/04 , B27G19/06 , F02B63/02 , F02B75/02 , F02M1/02
CPC分类号： B27B17/0008 , B27B17/00 , F02B63/02 , F02M1/02 , F02B2075/025
摘要： A power saw having a throttle lever which is pivotally mounted on a handle, and having a throttle-knob for starting. In order to lock the throttle lever in a position in which the throttle is partially open, the throttle-knob for starting can be shifted by means of a blocking movement into the region of the path along which the throttle lever pivots. At least one additional movement precedes the blocking movement of the throttle-knob for starting, this additional movement preferably being a rotary movement which is directed about an axis of the throttle-knob for starting, and is directed essentially at right angles to the blocking movement.
摘要翻译：电动锯具有枢转地安装在把手上的节流杆，并具有用于起动的节气门旋钮。为了将油门杆锁定在节气门部分打开的位置，用于启动的节气门旋钮可以通过阻挡运动而移动到油门杆枢转的路径区域中。在用于起动的节气门旋钮的阻挡运动之前，至少一个附加运动在该运动之前，该附加运动优选地是围绕节气门旋钮的轴线引导的旋转运动，用于启动，并且基本上与阻挡运动成直角。

3. 发明授权

US4332220A Power tool, especially power saw 失效
标题翻译：电动工具，特别是电锯
公开(公告)号：US4332220A
公开(公告)日：1982-06-01
申请号：US95259
申请日：1979-11-19
申请人： Gerd Itzrodt
发明人： Gerd Itzrodt
IPC分类号： F01P5/06 , B27B17/00 , F01N3/05 , F01N13/00 , F01N13/08 , F02B63/02 , F02B75/02 , F01P1/02
CPC分类号： F01N13/002 , B27B17/00 , F01N13/08 , F01N3/05 , F02B63/02 , F01N2590/06 , F02B2075/025 , Y02T10/20
摘要： A power tool, especially power saw, having a two-stroke internal combustion engine, that is provided with a substantially horizontally arranged cylinder, a cooling air blower, with guide surfaces directed towards the belonging therewith and arranged on one side of the cylinder, and a muffler connected to the cylinder outlet. The muffler has an exhaust gas inlet conduit which is in communication with an expansion chamber of the muffler. At least part of the walls of the muffler which are subjected to exhaust gas emanating from the cylinder chamber belonging therewith are arranged, when viewed in the direction of flow of cooling air, before the cylinder of the motor and are adapted to present guide surfaces for a stream of cooling air.
摘要翻译：一种具有二冲程内燃机的动力工具，特别是动力锯，其具有基本上水平布置的气缸，具有引导面朝向属于其并设置在气缸的一侧上的冷却风机，以及一个连接到汽缸出口的消音器。消声器具有与消音器的膨胀室连通的排气入口导管。当从冷却空气的流动方向观察时，从汽缸室排出的消声器的至少部分的壁被排出，在电动机的气缸之前，并且适于呈现导向面冷却空气流。

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