[특허]Percussion blow added manually operable drilling tool

[미국특허] Percussion blow added manually operable drilling tool 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B25B-023/14
출원번호	US-0716925 (1996-09-20)
우선권정보	DE-0034850 (1995-09-20)
발명자 / 주소	Noser Otto,LIX Hoop Alexander,LIX Bourgund Ulrich,DEX Schad Hanspeter,CHX Miescher Stefan,LIX Schweizer Edwin,LIX
출원인 / 주소	Hilti Aktiengesellschaft, LIX
대리인 / 주소	Brown & Wood, LLP
인용정보	피인용 횟수 : 36 인용 특허 : 17

초록 ▼

A percussion blow added manually operable drilling tool, such as a hammerdrill, has a housing (2) containing an electric motor for rotating a tool bit chuck (9) about its axis, a control device (C) for controlling the rpm of the chuck (9) operated by the electric motor (3) which is activated by a switch (5) located on the exterior of the housing (2), and a percussion blow mechanism for periodically applying axially directed blows to a bit (10) secured in the chuck (9). The electric motor (3) is coupled to a device (12) for measuring the reaction torque. The control device (C) is connected to an evaluation unit (E) which is connected to the device (12) for measuring the reaction torque so that the rpm of the chuck can be regulated from maintaining the measured reaction torque at a maximum.

대표청구항 ▼

[ We claim:] [1.] A percussion blow added manually operable drilling tool, comprising a housing (2), a drill bit chuck (9) having an axis of rotation and mounted on said housing (2), an electric motor (3) within said housing for rotating said chuck (9) about said axis of rotation, means for measuring rpms of said chuck, a suspension (13, 14) connecting said electric motor (3) to said housing, a percussion blow mechanism (5) for applying percussion blows periodically at selected translation angles to a bit secured in said chuck, means located within said housing for detecting and measuring reaction torque values between said electric motor and said housing based on a range of rpms in accordance with a selected translation angle and for evaluating the measured reaction torque values and comparing the measured reaction torque values to measured rpms of said range of rpms of said chuck for identifying the measured rpm corresponding to a detected highest measured reaction torque value for regulating and maintaining the chuck rpm at the rpm corresponding to the detected highest measured reaction torque so that during drilling tool operation the reaction torque value measured at said electric motor corresponds to the detected highest measured reaction torque value, said means for detecting and measuring reaction torque values comprising a control device (C) located within said housing for controlling measured rpms of said chuck, a switch (S) located on said housing for operating said electric motor and activating said control device, a measuring device (12) positioned in said suspension (13, 14) between said housing and said electric motor for measuring reaction torques of said electric motor, said control device (C) being connected to an evaluation unit (E) and the evaluation unit being connected to said measuring device (12) for regulating the rpm of said chuck, and a memory unit for storing ranges of rpm values corresponding to each of the selected translation angles, wherein the control device consecutively retrieves said ranges of rpm values from the memory unit, controls the rotation of the chuck so that a reaction torque value is measured for each rpm value within the range, stores the measured values in the memory unit, and compares the measured reaction torque values within the range of rpm values and among the rpm ranges to determine the rpm with the highest measured reaction torque value, whereby the reaction torque measured by said measuring device at said electric motor (3) during operation of said tool is thereafter maintained by said control device at said highest measured reaction torque value.

이 특허에 인용된 특허 (17) 인용/피인용 타임라인 분석

Millauer Wolfgang (Munich DEX), Arrangement for automatic working data set-up for driving implements.
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Melrose David R. (Ringoes NJ), Axially compact torque transducer.
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Alexander Robert H. (Columbia SC) Osmer Thomas M. (Lexington SC) Neely James W. (Columbia SC), Computer controlled automatic shift drill.
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Rogers Charles D. (Monroeville Borough PA), Drilling optimization searching and control apparatus.
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Goldelius Rainer (Idstein DEX), Electric tool with torque monitor.
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Huber Siefried (Johannesberg DEX), Electric tool, particularly a handtool, with torque control.
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Lippacher Wolfgang (Herrsching DEX) Theissig Werner (Munich DEX), Electropneumatic hammer drill.
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Kibblewhite Ian E. (Dublin IEX) Boys John T. (Birkenhead NZX) Tambini Angelo L. (Manor Kilbride IEX), Impact wrench.
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Pekar Gary W. (Grand Prairie TX) Sewell Billy R. (Grand Prairie TX) Blanc Michael (Forth Worth TX), Machine tool control system.
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Aihara Yukitaka (Tokyo JPX), Method and apparatus for controlling drilling operation.
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Warren Tommy M. (Coweta OK) Winters Warren J. (Tulsa OK) Brett J. Ford (Tulsa OK), Method and apparatus for controlling the rotational torque of a drill bit.
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Guzzella Lino (Wallisellen CHX), Method of and arrangement for preventing accidents during operation of a manually-operated machine tool with a rotatable.
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Hornung, Friedrich; Schadlich, Fritz, Rotary electrical tool with speed control, especially drill.
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Inoue Hiroyuki (Uji JPX) Fujiwara Keiji (Hirakata JPX) Ogawa Tomomi (Kofu JPX) Tezuka Masumi (Yamanashi JPX), Screwing apparatus.
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Jeppsson Jan (Bellevue WA), Servo system for measuring and controlling the amount of torque being applied to rotating tools and method.
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Grunbaum, Heinrich, Torque measuring device.
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Germanton Damon (Kennalon NJ) Lehr Menahem (Teaneck NJ), Variable speed DC motor controller apparatus particularly adapted for control of portable-power tools.
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이 특허를 인용한 특허 (36) 인용/피인용 타임라인 분석

Coope, Robin John Noel, Cannulated hammer drill attachment.
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Binder, Albert; Profunser, Dieter; Hoop, Alexander, Control method for a power tool and a power tool.
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Schell, Craig A.; Forster, Michael K., Control scheme for detecting and preventing torque conditions in a power tool.
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Lam, Lok Tin; Young, Scott Elton; Thong, Derek, Drill attachment for cannulated surgical drills.
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Hans-Werner Bongers-Ambrosius DE, Electric hand tool implement with no-load stroke disconnection.
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Schmid, Wolfgang; Berger, Rudolf; Weyl, Peter, Hammer drill and/or paving breaker with a handle.
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Katou, Kouji; Hamano, Terufumi; Otsuka, Yoshitaka; Teranishi, Akira; Sakamaki, Kazuya, Hammering tool.
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Nadig,Peter; Zirn,Oliver; Thome,Ludwig, Hand-held machine tool.
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Diem, Carsten; Keinath, Hagen Philipp; Tauber, Matthias, Hand-held power tool device.
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Bodine, Thomas J.; Plato, Barry Edward; Norona, Joao; DiPasquale, Kathy E.; Heslop, Gale Anthony; Watson, James B., Handle and attachments for right angle drill.
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Voulkidis, Orestis; Boni, Hans, Percussion electrical hand-held tool.
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Reed,Teddy R., Percussion tool.
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Nitsche, Rainer; Tauber, Matthias; Schlesak, Gerd; Vandamme, Antoine; Winkler, Thomas; Bertsch, Christian; Duesselberg, Achim; Hoffmann, Ulli; Henke, Thilo; Lennartz, Juergen; Sprenger, Helge, Percussion unit.
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Artmann, Konrad; Augustin, Johann; Mayr, Martin; Richter, Martin, Percussive striking electric tool device.
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Eshleman, Scott; Schell, Craig; Seman, Andrew E.; Puzio, Daniel; Brotto, Daniele C.; Kelleher, Joseph P.; Shook, Christopher W.; Phillips, Steven J.; Boswall, Dale W.; Watson, James B.; Qin, Fugen, Power screwdriver having rotary input control.
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Puzio, Daniel; Schell, Craig; Brotto, Daniele; Seman, Jr., Andrew; Eshleman, Scott; Kelleher, Joseph; Murthy, Sankarshan; Concari, Gabriel; Bodine, Thomas; Haupt, Michael; Watenpaugh, Curtis, Power screwdriver having rotary input control.
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Vanko, John Charles; Leh, Jason; Beers, David, Power tool anti-kickback system with rotational rate sensor.
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Zhang, Qiang; Deshpande, Uday; Vanko, John Charles; Lee, Jason; Schell, Craig; Bodine, Thomas Jay; Norona, Joao; Beers, David, Power tool anti-kickback system with rotational rate sensor.
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Zhang, Qiang; Deshpande, Uday; Vanko, John Charles; Leh, Jason; Schell, Craig; Bodine, Thomas Jay; Norona, Joao; Beers, David, Power tool anti-kickback system with rotational rate sensor.
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Zhang, Qiang; Deshpande, Uday; Vanko, John Charles; Leh, Jason; Schell, Craig; Bodine, Thomas Jay; Norona, Joao; Beers, David, Power tool anti-kickback system with rotational rate sensor.
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Zhang, Qiang; Deshpande, Uday; Vanko, John Charles; Leh, Jason; Schell, Craig; Bodine, Thomas Jay; Norona, Joao; Beers, David, Power tool anti-kickback system with rotational rate sensor.
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Zhang,Qiang; Deshpande,Uday; Waikar,Shailesh P.; Puzio,Daniel; Schell,Craig; Hilsher,William F.; West,Joshua D., Power tool anti-kickback system with rotational rate sensor.
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Eshleman, Scott J.; Schell, Craig A.; Seman, Jr., Andrew E.; Puzio, Daniel; Brotto, Daniele C.; Kelleher, Joseph P., Power tool having rotary input control.
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Eshleman, Scott J.; Schell, Craig A.; Seman, Jr., Andrew E.; Puzio, Daniel; Brotto, Daniele C.; Kelleher, Joseph P.; Concari, Gabriel E.; Schoch, Robert B.; Murray, Thomas W., Power tool having rotary input control.
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Eshleman, Scott J.; Schell, Craig A.; Seman, Jr., Andrew E.; Puzio, Daniel; Brotto, Daniele C.; Kelleher, Joseph P.; Murthy, Sankarshan, Power tool having rotary input control.
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Eshleman, Scott J.; Schell, Craig A.; Seman, Jr., Andrew E.; Puzio, Daniel; Brotto, Daniele C.; Kelleher, Joseph P.; Watson, James B.; Parks, James R.; Bixler, Clark A., Power tool having rotary input control.
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Eshleman, Scott J.; Schell, Craig A.; Seman, Jr., Andrew E.; Puzio, Daniel; Brotto, Daniele C.; Kelleher, Joseph P.; Watson, James B.; Parks, James R.; Bixler, Clark A., Power tool having rotary input control.
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Eshleman, Scott J.; Schell, Craig A.; Seman, Jr., Andrew J.; Puzio, Daniel; Brotto, Daniele C.; Kelleher, Joseph P.; Sergyeyenko, Oleksiy P., Power tool having rotary input control.
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Eshleman, Scott J.; Kelleher, Joseph P.; Schell, Craig A.; Puzio, Daniel; Brotto, Danielle C.; Bodine, Thomas J.; Watenpaugh, Curtis H.; Haupt, Michael T.; Concari, Gabriel E.; Seman, Andrew E., Power tool having switch and rotary input control.
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Gass, Stephen F.; D'Ascenzo, David S., Power tools.
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Gass,Stephen F.; D'Ascenzo,David S., Power tools.
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Boeni,Hans; Schaer,Roland; Schmitzer,Harald; Teixeira,Ricardo; Wuersch,Christoph, Process for controlling an axially hammering and rotating electric hand-held machine tool.
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Ikuta,Hiroki, Reciprocating power tool.
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Kristen,Ferdinand; Bongers Ambrosius,Hans Werner, Rotating electric hand tool implement with safety routine.
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Carrier, David A.; Puzio, Daniel; Bradus, Robert, Safety mechanism for a rotary hammer.
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Concari, Gabriel E., Screwdriver.
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[미국특허] Percussion blow added manually operable drilling tool 원문보기

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이 특허에 인용된 특허 (17) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (36) 인용/피인용 타임라인 분석

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[미국특허] Percussion blow added manually operable drilling tool 원문보기

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이 특허에 인용된 특허 (17) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (36) 인용/피인용 타임라인 분석

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