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    • 5. 发明授权
    • Percussion electrical hand-held tool
    • 打击乐电手持工具
    • US06520266B2
    • 2003-02-18
    • US09902676
    • 2001-07-11
    • Hans-Werner Bongers-AmbrosiusMartin RichterKonrad Artmann
    • Hans-Werner Bongers-AmbrosiusMartin RichterKonrad Artmann
    • B25D900
    • B25D11/12B25D2250/021B25D2250/221
    • A percussion electrical hand-held tool including a housing (10), a percussion element (2) located in the housing, and a planetary gear unit (5) located in the housing (10) for converting a rotational movement (107) of the drive shaft (&ohgr;) of the hand-held tool (8) into a reciprocating movement (&ugr;) of the percussion element (2), with the planetary gear unit (5) including a sun gear (6) changing of a setting (&agr;) of which provides for adjusting of an impact amplitude of the reciprocating movement (&agr;) of the percussion element (2), and control unit located in the housing (10) for adjusting the impact amplitude in accordance with a manual axial force applied to the handle of the hand-held tool (8).
    • 一种敲击电动手持工具,包括壳体(10),位于壳体中的冲击元件(2)和位于壳体(10)中的行星齿轮单元(5),用于将旋转运动 手动工具(8)的驱动轴(omega)成为冲击元件(2)的往复运动(upsil),行星齿轮单元(5)包括改变设定(α ),其用于调节冲击元件(2)的往复运动(α)的冲击振幅,以及位于所述壳体(10)中的控制单元,用于根据施加到所述冲击元件(2)的手动轴向力来调节冲击振幅 手柄(8)的手柄。
    • 6. 发明授权
    • Rock drilling tool
    • 岩石钻具
    • US06712163B2
    • 2004-03-30
    • US10050222
    • 2002-01-16
    • Werner KleineHans-Werner Bongers-AmbrosiusUdo HauptmannMartin Richter
    • Werner KleineHans-Werner Bongers-AmbrosiusUdo HauptmannMartin Richter
    • E21B1038
    • B23B51/06E21B17/00E21B17/03
    • A rock drilling tool including a tip (3) formed of a hard material and provided at one end of the tool stem and a shank (4) provided at an opposite end of the stem (2) and having a plurality of entrain grooves (5) extending up to a free end surface of the shank (4), with an entire recessed surface (11) of an entrain groove (5) being larger than an entire outer surface (10) of a groove-forming rest web (6), and with a mean rest cross-sectional area (A′), which is measured within an axial section of the drilling tool having a length at least equal to a product of a natural logarithm base and a stem diameter (e×D), deviating from a mean rest cross sectional area (A) along the entire tool length maximum by 20%.
    • 一种钻石工具,包括由硬质材料形成并设置在工具杆的一端的尖端(3)和设置在杆(2)的相对端处的柄(4),并且具有多个夹带槽(5) )延伸到柄(4)的自由端表面,其中夹带槽(5)的整个凹入表面(11)大于形成沟槽的搁板(6)的整个外表面(10) ,并且具有平均静止横截面积(A'),其在钻井工具的轴向截面内测量,其长度至少等于自然对数基础和茎直径(exD)的乘积,该长度偏离 平均休息截面积(A)沿整个刀具长度最大20%。