SCHLAGBOHRER
An impact drill minimizing transmission of vibration to a handle gripped by a user's hand. A spindle (2) extends through a main frame (1) and is movable in its axial direction and rotatable about its axis. A first ratchet (4) is rotatable and axially movable together with the spindle (2). A sec...
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| creator | OHZEKI, KAZUHIDE WATANABE, HIDEKI SAITO, TAKUMA TOUKAIRIN, JYUNICHI KATAOKA, KENJI OHTSU, SHINKI ISHIKAWA, SHIGERU |
| description | An impact drill minimizing transmission of vibration to a handle gripped by a user's hand. A spindle (2) extends through a main frame (1) and is movable in its axial direction and rotatable about its axis. A first ratchet (4) is rotatable and axially movable together with the spindle (2). A second ratchet (5) is axially movable but unrotatable. The first ratchet (4) has a first serrated surface and the second ratchet (5) has a second serrated surface in confrontation with the first serrated surface. In an impact drilling mode, the first serrated surfaces is brought into abutment with the second serrated surface so that the spindle is reciprocally moved in the axial direction. A first spring (120) is interposed between the main frame (1) and the second ratchet (5) to urge the second ratchet (5) toward the first ratchet (4). A second spring (121) is interposed between the main frame and the second ratchet (5) to urge the second ratchet (5) away from the first ratchet (4). In the impact drilling mode, the second ratchet (5) is always out of contact from the main frame (1) and is floatingly maintained within the main frame (1). |
| format | Patent |
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A spindle (2) extends through a main frame (1) and is movable in its axial direction and rotatable about its axis. A first ratchet (4) is rotatable and axially movable together with the spindle (2). A second ratchet (5) is axially movable but unrotatable. The first ratchet (4) has a first serrated surface and the second ratchet (5) has a second serrated surface in confrontation with the first serrated surface. In an impact drilling mode, the first serrated surfaces is brought into abutment with the second serrated surface so that the spindle is reciprocally moved in the axial direction. A first spring (120) is interposed between the main frame (1) and the second ratchet (5) to urge the second ratchet (5) toward the first ratchet (4). A second spring (121) is interposed between the main frame and the second ratchet (5) to urge the second ratchet (5) away from the first ratchet (4). In the impact drilling mode, the second ratchet (5) is always out of contact from the main frame (1) and is floatingly maintained within the main frame (1).</description><language>ger</language><subject>BORING ; COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR ; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR ; HAND TOOLS ; MACHINE TOOLS ; MANIPULATORS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERCUSSIVE TOOLS ; PERFORMING OPERATIONS ; PORTABLE POWER-DRIVEN TOOLS ; TRANSPORTING ; TURNING</subject><creationdate>2010</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100515&DB=EPODOC&CC=AT&NR=E464983T1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100515&DB=EPODOC&CC=AT&NR=E464983T1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OHZEKI, KAZUHIDE</creatorcontrib><creatorcontrib>WATANABE, HIDEKI</creatorcontrib><creatorcontrib>SAITO, TAKUMA</creatorcontrib><creatorcontrib>TOUKAIRIN, JYUNICHI</creatorcontrib><creatorcontrib>KATAOKA, KENJI</creatorcontrib><creatorcontrib>OHTSU, SHINKI</creatorcontrib><creatorcontrib>ISHIKAWA, SHIGERU</creatorcontrib><title>SCHLAGBOHRER</title><description>An impact drill minimizing transmission of vibration to a handle gripped by a user's hand. A spindle (2) extends through a main frame (1) and is movable in its axial direction and rotatable about its axis. A first ratchet (4) is rotatable and axially movable together with the spindle (2). A second ratchet (5) is axially movable but unrotatable. The first ratchet (4) has a first serrated surface and the second ratchet (5) has a second serrated surface in confrontation with the first serrated surface. In an impact drilling mode, the first serrated surfaces is brought into abutment with the second serrated surface so that the spindle is reciprocally moved in the axial direction. A first spring (120) is interposed between the main frame (1) and the second ratchet (5) to urge the second ratchet (5) toward the first ratchet (4). A second spring (121) is interposed between the main frame and the second ratchet (5) to urge the second ratchet (5) away from the first ratchet (4). 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A spindle (2) extends through a main frame (1) and is movable in its axial direction and rotatable about its axis. A first ratchet (4) is rotatable and axially movable together with the spindle (2). A second ratchet (5) is axially movable but unrotatable. The first ratchet (4) has a first serrated surface and the second ratchet (5) has a second serrated surface in confrontation with the first serrated surface. In an impact drilling mode, the first serrated surfaces is brought into abutment with the second serrated surface so that the spindle is reciprocally moved in the axial direction. A first spring (120) is interposed between the main frame (1) and the second ratchet (5) to urge the second ratchet (5) toward the first ratchet (4). A second spring (121) is interposed between the main frame and the second ratchet (5) to urge the second ratchet (5) away from the first ratchet (4). In the impact drilling mode, the second ratchet (5) is always out of contact from the main frame (1) and is floatingly maintained within the main frame (1).</abstract><oa>free_for_read</oa></addata></record> |
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| language | ger |
| recordid | cdi_epo_espacenet_ATE464983TT1 |
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| subjects | BORING COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR HAND TOOLS MACHINE TOOLS MANIPULATORS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERCUSSIVE TOOLS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TRANSPORTING TURNING |
| title | SCHLAGBOHRER |
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