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1. 外观设计

USD412652S Power saw 失效
公开(公告)号：USD412652S
公开(公告)日：1999-08-10
申请号：US89657
申请日：1998-06-19
申请人： Bernhard Durr , Karl-Heinz Klopfer , Michael Tinius
设计人： Bernhard Durr , Karl-Heinz Klopfer , Michael Tinius

2. 发明授权

US5983846A Two-stroke engine for a portable handheld work apparatus 失效
标题翻译：用于便携式手持式工作装置的二冲程发动机
公开(公告)号：US5983846A
公开(公告)日：1999-11-16
申请号：US94398
申请日：1998-06-10
申请人： Karl-Heinz Klopfer
发明人： Karl-Heinz Klopfer
IPC分类号： F02B63/02 , F02B75/02 , F02F1/00 , F02F1/22 , F02B33/04 , F02F7/00
CPC分类号： F02B63/02 , F02F1/002 , F02F1/22 , F02B2075/025
摘要： The invention is directed to a two-stroke engine for a portable handheld work apparatus such as a motor-driven chain saw. The engine includes a cylinder housing and a crankshaft journalled in shaft bearings. The cylinder housing is closed by a crankcase cover. Half shells are formed in the cylinder housing and the crankcase cover to accommodate the shaft bearings. Overflow channels are formed in the wall of the cylinder and lead from the crankcase to the combustion chamber. The overflow channels are open at their ends facing toward the crankcase cover and interrupt the support surface of the half shells formed in the cylinder housing. An adequate support of a small crankshaft bearing is ensured for an arrangement of several overflow channels. This is achieved in that the half shells are configured with a significantly larger diameter than the outer diameter of the shaft bearing and a support shell is seated in the free space between the half shell and the shaft bearing. The support shells close the gaps in the support surface of the half shells.
摘要翻译：本发明涉及一种用于诸如电动链锯的便携式手持式工作装置的二冲程发动机。该发动机包括一个气缸壳体和一个轴颈轴颈。气缸壳体由曲轴箱盖封闭。半壳形成在气缸壳体和曲轴箱盖中以容纳轴承。溢流通道形成在气缸的壁上，并从曲轴箱引导到燃烧室。溢流通道在其朝向曲轴箱盖的端部是开放的，并且中断形成在气缸壳体中的半壳体的支撑表面。确保了几个溢流通道的布置足够的小型曲轴轴承的支撑。这是通过半壳被构造成具有比轴承的外径显着更大的直径，并且支撑壳位于半壳和轴承之间的自由空间中。支撑壳关闭半壳的支撑表面中的间隙。

3. 发明授权

US5582146A Suction air filter 失效
标题翻译：抽吸空气过滤器
公开(公告)号：US5582146A
公开(公告)日：1996-12-10
申请号：US511713
申请日：1995-08-04
申请人： Peter Linsbauer , Karl-Heinz Klopfer
发明人： Peter Linsbauer , Karl-Heinz Klopfer
IPC分类号： B01D46/10 , B01D46/42 , F02B63/02 , F02M35/04 , F02B77/00
CPC分类号： B01D46/0023 , B01D46/10 , F02B63/02 , F02M35/04 , B01D2279/60 , Y10S55/28
摘要： A suction air filter for an internal combustion engine of a hand-held working tool has a housing having an inlet opening for air sucked in and an outlet opening for the clean air exiting the suction air filter and supplied as combustion air to a suction channel of the internal combustion engine. The housing includes a plurality of filter chambers arranged in series one after another in a direction of air flow from the inlet opening to the outlet opening. Each one of the filter chambers has at least one filter body positioned therein through which filter body the air flows.
摘要翻译：用于手持式工作工具的内燃机的吸入空气过滤器具有壳体，其具有用于吸入的空气的入口和用于清除空气的出口，所述排出口离开所述吸入空气过滤器并作为燃烧空气供应到吸入通道内燃机。所述壳体包括多个过滤室，所述多个过滤室沿着从所述入口开口到所述出口开口的空气流动方向依次排列。每个过滤室具有定位在其中的至少一个过滤体，空气通过该过滤器本体流过。

4. 发明授权

US5407012A Portable handheld edge cutter 失效
标题翻译：便携式手持式边缘切割机
公开(公告)号：US5407012A
公开(公告)日：1995-04-18
申请号：US81128
申请日：1993-06-25
申请人： Karl-Heinz Klopfer
发明人： Karl-Heinz Klopfer
IPC分类号： A01G3/06 , A01D53/14
CPC分类号： A01G3/062
摘要： The invention is directed to a portable handheld edge cutter and especially an edge cutter for maintaining the edges of a lawn. The edge cutter includes a drive motor and a rotating knife as well as a drive shaft between the motor and the knife. The knife end of the drive shaft is mounted in a support which is structurally part of the housing. The housing overlaps the knife at a predetermined region. A wheel or roller supports the housing on the ground. A projection is provided on the housing which indicates to the operator the precise direction in which the rotating knife is moved and so acts as a direction device for the operator.
摘要翻译：本发明涉及一种便携式手持式边缘切割机，特别是用于保持草坪边缘的边缘切割机。边缘切割器包括驱动马达和旋转刀以及马达和刀之间的驱动轴。驱动轴的刀端安装在结构上是壳体的一部分的支撑件中。壳体在预定区域与刀具重叠。车轮或滚轮支撑地面上的外壳。在壳体上设置有突起，其向操作者指示旋转刀移动的精确方向，因此用作操作者的方向装置。

5. 发明授权

US5320281A Housing for a high-pressure cleaning apparatus 失效
标题翻译：高压清洗设备外壳
公开(公告)号：US5320281A
公开(公告)日：1994-06-14
申请号：US925169
申请日：1992-08-06
申请人： Werner Hartmann , Karl-Heinz Klopfer , Gerhard Zerrer
发明人： Werner Hartmann , Karl-Heinz Klopfer , Gerhard Zerrer
IPC分类号： B08B3/02 , B05B9/08
CPC分类号： B08B3/026 , B08B2203/0211
摘要： The invention is directed to a housing for a high-pressure cleaning apparatus for accommodating a high-pressure pump, drive motor and other components of the apparatus coacting therewith. The apparatus is equipped with a cleaning lance which is held on the housing. The housing includes a trough-like lower housing half having a base wall adapted to support the pump and the motor and a trough-like upper housing half for closing off and covering the lower housing. The upper housing half has a top wall defining an outer side facing away from said base wall and a carrying handle is disposed on this outer side to enable an operator to carry the apparatus. The carrying handle is configured as a holder for holding the cleaning lance.
摘要翻译：本发明涉及一种用于容纳高压泵，驱动电动机和与其共同作用的装置的其它部件的高压清洁装置的壳体。该装置配备有保持在壳体上的清洁喷枪。壳体包括槽形下壳体半部，其具有适于支撑泵和电动机的底壁和用于封闭和覆盖下壳体的槽状上壳体半部。上壳体半部具有顶壁，该顶壁限定了远离所述底壁的外侧，并且在该外侧设置有提手，以使操作者能够携带该装置。携带把手被构造成用于保持清洁喷枪的保持器。

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