US3769473A - Power tool safety lock device for manual switch with switch actuator interlock structure defeatedly released by chuck key - Google Patents
Power tool safety lock device for manual switch with switch actuator interlock structure defeatedly released by chuck key Download PDFInfo
- Publication number
- US3769473A US3769473A US00308417A US3769473DA US3769473A US 3769473 A US3769473 A US 3769473A US 00308417 A US00308417 A US 00308417A US 3769473D A US3769473D A US 3769473DA US 3769473 A US3769473 A US 3769473A
- Authority
- US
- United States
- Prior art keywords
- key
- slot
- power tool
- spring
- located adjacent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S408/00—Cutting by use of rotating axially moving tool
- Y10S408/71—Safety device
Abstract
Description
Claims (4)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30841772A | 1972-11-21 | 1972-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3769473A true US3769473A (en) | 1973-10-30 |
Family
ID=23193913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00308417A Expired - Lifetime US3769473A (en) | 1972-11-21 | 1972-11-21 | Power tool safety lock device for manual switch with switch actuator interlock structure defeatedly released by chuck key |
Country Status (1)
Country | Link |
---|---|
US (1) | US3769473A (en) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3950625A (en) * | 1975-04-17 | 1976-04-13 | The Singer Company | Safety switch for drill press using chuck key |
US4107484A (en) * | 1977-07-18 | 1978-08-15 | Irvin Industries Inc. | Safety switch |
US4446588A (en) * | 1982-05-24 | 1984-05-08 | Garcia Richard J | Multi-purpose tool |
US5085043A (en) * | 1990-06-01 | 1992-02-04 | Black & Decker Inc. | Electro-mechanical interlock and module system for lawn mower or other electrical device |
WO1993021097A1 (en) * | 1992-04-10 | 1993-10-28 | Thrana Ole A | Safety device for person and goods lift and turnstick for shifting or release of the liftcage |
US5577600A (en) * | 1995-11-21 | 1996-11-26 | Emerson Electric Co. | Switch lock-out device for power tool |
US20010024402A1 (en) * | 1999-11-08 | 2001-09-27 | Japan Servo Co., Ltd. | Agitator and fixing device thereof |
US20040078873A1 (en) * | 2002-10-18 | 2004-04-29 | The Hipsaver Co., Inc. | Washable protective pad |
US8008812B2 (en) | 2006-07-14 | 2011-08-30 | Aurora Office Equipment Co., Ltd. | Paper shredder control system responsive to touch-sensitive element |
US8018099B2 (en) | 2006-07-14 | 2011-09-13 | Aurora Office Equipment Co., Ltd. | Touch-sensitive paper shredder control system |
US8087599B2 (en) | 2009-05-07 | 2012-01-03 | Aurora Office Equipment Co., Ltd. | Anti-paper jam protection device for shredders |
US8146845B2 (en) | 2008-08-06 | 2012-04-03 | Aurora Office Equipment Co., Ltd. Shanghai | Automatic shredder without choosing the number of paper to be shredded |
US8201766B2 (en) | 2008-08-19 | 2012-06-19 | Aurora Office Equipment Co., Ltd. | Pins or staples removable structure of automatic shredders |
US8708260B2 (en) | 2011-08-08 | 2014-04-29 | Aurora Office Equipment Co., Ltd. | Depowered standby paper shredder and method |
US8723468B2 (en) | 2011-04-28 | 2014-05-13 | Aurora Office Equipment Co., Ltd. | Cooled motor |
US20160158849A1 (en) * | 2014-12-08 | 2016-06-09 | Jpw Industries Inc. | Safety lock for lathe chuck key |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2578317A (en) * | 1948-07-30 | 1951-12-11 | Beaver Pipe Tools Inc | Switch lock for power driven tools |
US2597969A (en) * | 1948-05-19 | 1952-05-27 | Hugh M Barton | Safety switch |
US2666104A (en) * | 1951-10-25 | 1954-01-12 | Lawrence C Griffin | Chuck-key holder and safety device for power tools |
US2713407A (en) * | 1953-03-13 | 1955-07-19 | Edwin G Miller | Chuck key safety switch mechanism |
US2735908A (en) * | 1956-02-21 | Power tools |
-
1972
- 1972-11-21 US US00308417A patent/US3769473A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2735908A (en) * | 1956-02-21 | Power tools | ||
US2597969A (en) * | 1948-05-19 | 1952-05-27 | Hugh M Barton | Safety switch |
US2578317A (en) * | 1948-07-30 | 1951-12-11 | Beaver Pipe Tools Inc | Switch lock for power driven tools |
US2666104A (en) * | 1951-10-25 | 1954-01-12 | Lawrence C Griffin | Chuck-key holder and safety device for power tools |
US2713407A (en) * | 1953-03-13 | 1955-07-19 | Edwin G Miller | Chuck key safety switch mechanism |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3950625A (en) * | 1975-04-17 | 1976-04-13 | The Singer Company | Safety switch for drill press using chuck key |
US4107484A (en) * | 1977-07-18 | 1978-08-15 | Irvin Industries Inc. | Safety switch |
US4446588A (en) * | 1982-05-24 | 1984-05-08 | Garcia Richard J | Multi-purpose tool |
US5085043A (en) * | 1990-06-01 | 1992-02-04 | Black & Decker Inc. | Electro-mechanical interlock and module system for lawn mower or other electrical device |
USRE36250E (en) * | 1990-06-01 | 1999-07-13 | Black & Decker Inc. | Electro-mechanical interlock and module system for lawn mower or other electrical device |
WO1993021097A1 (en) * | 1992-04-10 | 1993-10-28 | Thrana Ole A | Safety device for person and goods lift and turnstick for shifting or release of the liftcage |
US5511633A (en) * | 1992-04-10 | 1996-04-30 | Aker; Stein | Safety device for person and goods lift and turnstick for shifting or release of the liftcage |
US5577600A (en) * | 1995-11-21 | 1996-11-26 | Emerson Electric Co. | Switch lock-out device for power tool |
US20010024402A1 (en) * | 1999-11-08 | 2001-09-27 | Japan Servo Co., Ltd. | Agitator and fixing device thereof |
US6474863B2 (en) * | 1999-11-08 | 2002-11-05 | Japan Servo Co. Ltd. | Agitator and fixing device thereof |
US20040078873A1 (en) * | 2002-10-18 | 2004-04-29 | The Hipsaver Co., Inc. | Washable protective pad |
US8008812B2 (en) | 2006-07-14 | 2011-08-30 | Aurora Office Equipment Co., Ltd. | Paper shredder control system responsive to touch-sensitive element |
US8018099B2 (en) | 2006-07-14 | 2011-09-13 | Aurora Office Equipment Co., Ltd. | Touch-sensitive paper shredder control system |
US8963379B2 (en) | 2006-07-14 | 2015-02-24 | Aurora Office Equipment Co., Ltd. Shanghai | Paper shredder control system responsive to touch-sensitive element |
US8146845B2 (en) | 2008-08-06 | 2012-04-03 | Aurora Office Equipment Co., Ltd. Shanghai | Automatic shredder without choosing the number of paper to be shredded |
US8201766B2 (en) | 2008-08-19 | 2012-06-19 | Aurora Office Equipment Co., Ltd. | Pins or staples removable structure of automatic shredders |
US8087599B2 (en) | 2009-05-07 | 2012-01-03 | Aurora Office Equipment Co., Ltd. | Anti-paper jam protection device for shredders |
US8723468B2 (en) | 2011-04-28 | 2014-05-13 | Aurora Office Equipment Co., Ltd. | Cooled motor |
US8708260B2 (en) | 2011-08-08 | 2014-04-29 | Aurora Office Equipment Co., Ltd. | Depowered standby paper shredder and method |
US20160158849A1 (en) * | 2014-12-08 | 2016-06-09 | Jpw Industries Inc. | Safety lock for lathe chuck key |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3769473A (en) | Power tool safety lock device for manual switch with switch actuator interlock structure defeatedly released by chuck key | |
US5191968A (en) | Shaft lock arrangement for a power tool | |
GB1508550A (en) | Electric switch | |
BR9505841A (en) | Kitchen machine | |
GB582687A (en) | Indexing means for multi-position rotary electric switches | |
US4146760A (en) | Line switch assembly for a timing mechanism | |
HK1024658A1 (en) | Lockout mechanism for power tool | |
JPH06297407A (en) | Rotating shaft locking mechanism for power tool | |
US3383943A (en) | All-speed lever lock | |
US3579002A (en) | Reversing switch for power tools | |
US3511947A (en) | Combination safety lock-switch mechanism for power tool | |
GB1567805A (en) | Manually operable switching devices | |
US4825027A (en) | Microwave oven door latch assembly | |
US3950625A (en) | Safety switch for drill press using chuck key | |
US3761654A (en) | Lathe chuck wrench safety device with chuck key actuated microswitch | |
US1875225A (en) | Lock switch | |
US3076876A (en) | Means for locking circuit breaker operating handles | |
FR2378345A1 (en) | Line protecting circuit breaker with rotary handles - has actuating mechanism transmitting handle turning to toggle during first rotation phase | |
US2506505A (en) | Switch | |
US3929035A (en) | Electric control safety mechanism | |
JPH06262414A (en) | Motor-driven tool | |
GB1432409A (en) | Electric hand drill safety means | |
US3196227A (en) | Interlocking operating mechanism | |
DE3365324D1 (en) | Rotating switching device with push buttons and self-cleaning of the contacts | |
ATE78120T1 (en) | SWITCH FUSE UNIT. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: BENCHMARK TOOL COMPANY, A CORP. OF OH Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:MCGRAW-EDISON COMPANY A CORP. OF DE;REEL/FRAME:003857/0716 Effective date: 19800930 Owner name: BENCHMARK TOOL COMPANY, A CORP. OF OH, OHIO Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MCGRAW-EDISON COMPANY A CORP. OF DE;REEL/FRAME:003857/0716 Effective date: 19800930 |
|
AS | Assignment |
Owner name: WINTERS NATIONAL BANK AND TRUST CO. AGENT Free format text: SECURITY INTEREST;ASSIGNORS:SHOPSMITH, INC., AN OH CORP.;BENCHMARK TOOL COMPANY A CORP. OF OH;REEL/FRAME:004099/0486 Effective date: 19821110 Owner name: BANCOHIO NATIONAL BANK, A NATIONAL BANKING ASSOC. Free format text: SECURITY INTEREST;ASSIGNORS:SHOPSMITH, INC., AN OH CORP.;BENCHMARK TOOL COMPANY A CORP. OF OH;REEL/FRAME:004099/0486 Effective date: 19821110 Owner name: FIRST NATIONAL BANK, DAYTON, OH A NATIONAL BANKING Free format text: SECURITY INTEREST;ASSIGNORS:SHOPSMITH, INC., AN OH CORP.;BENCHMARK TOOL COMPANY A CORP. OF OH;REEL/FRAME:004099/0486 Effective date: 19821110 Owner name: CENTERRE BANK, N.A., A NATIONAL BAKING ASSOCIATION Free format text: SECURITY INTEREST;ASSIGNORS:SHOPSMITH, INC., AN OH CORP.;BENCHMARK TOOL COMPANY A CORP. OF OH;REEL/FRAME:004099/0486 Effective date: 19821110 Owner name: WINTERS NATIONAL BANK AND TRUST CO., FOR ITSELF AN Free format text: SECURITY INTEREST;ASSIGNORS:SHOPSMITH, INC., AN OH CORP.;BENCHMARK TOOL COMPANY A CORP. OF OH;REEL/FRAME:004099/0486 Effective date: 19821110 |