KR200151343Y1 - 저 소음형 유압해머 - Google Patents
저 소음형 유압해머 Download PDFInfo
- Publication number
- KR200151343Y1 KR200151343Y1 KR2019950007557U KR19950007557U KR200151343Y1 KR 200151343 Y1 KR200151343 Y1 KR 200151343Y1 KR 2019950007557 U KR2019950007557 U KR 2019950007557U KR 19950007557 U KR19950007557 U KR 19950007557U KR 200151343 Y1 KR200151343 Y1 KR 200151343Y1
- Authority
- KR
- South Korea
- Prior art keywords
- tool
- hydraulic hammer
- low noise
- piston
- noise
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/04—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously of the hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/11—Arrangements of noise-damping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
- B25D2217/0096—Details of lubrication means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2222/00—Materials of the tool or the workpiece
- B25D2222/72—Stone, rock or concrete
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/241—Sliding impact heads, i.e. impact heads sliding inside a rod or around a shaft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
Abstract
Description
Claims (3)
- 몸체와, 상기 몸체 내부에 설치되어 승강하는 피스톤과, 상기 피스톤 하측에서 외부로 상기 몸체에 형성된 구멍과, 상기 구멍에 삽입되어 피스톤이 하강할 때 충돌되는 툴과, 상기 구멍에 설치되어 툴과 접촉하면서 툴을 안내하는 기름이 함유된 원통형 플라스틱 부재를 구비하는 것을 특징으로 하는 저 소음형 유압해머.
- 제1항에 있어서, 상기 구멍 입구에 더 설치된 원통형 금속재질의 부시를 구비하고, 상기 부시와 툴의 접촉 부위에 기름이 함유된 원통형 플라스틱 부재가 설치되는 것을 특징으로 하는 저 소음형 유압해머.
- 제1항 또는 제2항에 있어서, 상기 플라스틱이 폴리아미드 계열인 것을 특징으로 하는 저 소음형 유압해머.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019950007557U KR200151343Y1 (ko) | 1995-04-14 | 1995-04-14 | 저 소음형 유압해머 |
US08/560,867 US5755294A (en) | 1995-04-14 | 1995-11-20 | Abrasion-resistant hydraulic hammer with low noise level |
JP7305652A JPH08281570A (ja) | 1995-04-14 | 1995-11-24 | 低騒音型耐磨耗流圧ハンマ |
DE19543861A DE19543861A1 (de) | 1995-04-14 | 1995-11-24 | Verschließfester Hydraulikhammer mit niedrigem Lärmpegel |
EP96302554A EP0737550B1 (en) | 1995-04-14 | 1996-04-11 | Impact hammer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019950007557U KR200151343Y1 (ko) | 1995-04-14 | 1995-04-14 | 저 소음형 유압해머 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960033736U KR960033736U (ko) | 1996-11-19 |
KR200151343Y1 true KR200151343Y1 (ko) | 1999-07-15 |
Family
ID=19411342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019950007557U KR200151343Y1 (ko) | 1995-04-14 | 1995-04-14 | 저 소음형 유압해머 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5755294A (ko) |
EP (1) | EP0737550B1 (ko) |
JP (1) | JPH08281570A (ko) |
KR (1) | KR200151343Y1 (ko) |
DE (1) | DE19543861A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100864563B1 (ko) | 2008-04-07 | 2008-10-20 | 최이광 | 하부밀폐부재를 갖는 유압 브레이커 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6510904B1 (en) * | 2000-05-26 | 2003-01-28 | Nippon Pneumatic Mfg. Co., Ltd. | Protected tool bushing for an impact hammer |
JP2008126378A (ja) * | 2006-11-22 | 2008-06-05 | Makita Corp | 打撃工具 |
FI119228B (fi) * | 2006-12-05 | 2008-09-15 | Sandvik Mining & Constr Oy | Rikotuslaitteen työkalun laakerointi |
DE102011007433A1 (de) * | 2010-04-20 | 2011-12-08 | Robert Bosch Gmbh | Handwerkzeugmaschinenvorrichtung |
US9151386B2 (en) * | 2013-03-15 | 2015-10-06 | Caterpillar Inc. | Accumulator membrane for a hydraulic hammer |
JP6114113B2 (ja) * | 2013-05-29 | 2017-04-12 | 古河ロックドリル株式会社 | 油圧ブレーカ用遮音装置およびこれを備える油圧ブレーカ |
JP6211871B2 (ja) * | 2013-09-26 | 2017-10-11 | 古河ロックドリル株式会社 | 油圧ブレーカ用フロントカバーおよびこれを備える油圧ブレーカ |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3168324A (en) * | 1963-02-15 | 1965-02-02 | Ingersoll Rand Co | Chuck |
DE1603852C3 (de) * | 1968-01-29 | 1975-12-04 | Hilti Ag, Schaan (Liechtenstein) | Abfangvorrichtung für den Eintreibkolben eines pulverkraftbetriebenen Bolzensetzgerätes |
US4012478A (en) * | 1970-05-13 | 1977-03-15 | Masayuki Horikawa | Method of making anti-friction members from lubricant-impregnated polyamide synthetic resin materials |
US3783970A (en) * | 1972-06-07 | 1974-01-08 | Thor Power Tool Co | Sound attenuating device for a work steel or the like |
SE444401B (sv) * | 1983-01-24 | 1986-04-14 | Atlas Copco Ab | Energiabsorberande inspenningsenhet for slagverktyg |
US4614241A (en) * | 1984-02-15 | 1986-09-30 | The Stanley Works | Impact tool assembly with bit isolating means |
CH663925A5 (de) * | 1984-05-29 | 1988-01-29 | Sig Schweiz Industrieges | Anordnung von expansionskammern zur daempfung des schalldruckes, verwendung derselben und pneumatisch betriebener hammer. |
DE4110261A1 (de) * | 1991-03-28 | 1992-10-01 | Krupp Maschinentechnik | Schalldaemmeinrichtung an einem handgefuehrten, fluidbetriebenen schlag- oder bohrwerkzeug |
US5325929A (en) * | 1991-07-09 | 1994-07-05 | Bretec Oy | Hydraulic impact hammer |
US5363835A (en) * | 1992-08-31 | 1994-11-15 | Rocktec Limited | Nose block assembly |
US5431235A (en) * | 1994-04-28 | 1995-07-11 | Ingersoll-Rand Company | Reciprocal chuck for paving breaker |
-
1995
- 1995-04-14 KR KR2019950007557U patent/KR200151343Y1/ko not_active IP Right Cessation
- 1995-11-20 US US08/560,867 patent/US5755294A/en not_active Expired - Lifetime
- 1995-11-24 JP JP7305652A patent/JPH08281570A/ja active Pending
- 1995-11-24 DE DE19543861A patent/DE19543861A1/de not_active Withdrawn
-
1996
- 1996-04-11 EP EP96302554A patent/EP0737550B1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100864563B1 (ko) | 2008-04-07 | 2008-10-20 | 최이광 | 하부밀폐부재를 갖는 유압 브레이커 |
Also Published As
Publication number | Publication date |
---|---|
DE19543861A1 (de) | 1996-10-17 |
JPH08281570A (ja) | 1996-10-29 |
US5755294A (en) | 1998-05-26 |
KR960033736U (ko) | 1996-11-19 |
EP0737550B1 (en) | 1999-06-02 |
EP0737550A1 (en) | 1996-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
N231 | Notification of change of applicant | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application | ||
J201 | Request for trial against refusal decision |
Free format text: TRIAL NUMBER: 1998101002700; TRIAL AGAINST DECISION OF REJECTION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL Free format text: TRIAL AGAINST DECISION OF REJECTION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL |
|
J301 | Trial decision |
Free format text: TRIAL NUMBER: 1998101002700; TRIAL DECISION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL REQUESTED 19980826 Effective date: 19990225 Free format text: TRIAL DECISION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL REQUESTED 19980826 Effective date: 19990225 |
|
S901 | Examination by remand of revocation | ||
GRNO | Decision to grant (after opposition) | ||
REGI | Registration of establishment | ||
LAPS | Lapse due to unpaid annual fee |