US563305A - Gtjstay paffrath - Google Patents
Gtjstay paffrath Download PDFInfo
- Publication number
- US563305A US563305A US563305DA US563305A US 563305 A US563305 A US 563305A US 563305D A US563305D A US 563305DA US 563305 A US563305 A US 563305A
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- US
- United States
- Prior art keywords
- paffrath
- blades
- knife
- gtjstay
- 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
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- 241000726123 Acanthurus Species 0.000 description 10
- 241000124008 Mammalia Species 0.000 description 2
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B11/00—Hand knives combined with other implements, e.g. with corkscrew, with scissors, with writing implement
Definitions
- This invention relates to a pocket-knife which is so constructed that the blades may be tilted slightly outward when they are to be opened, so that they may be more readily grasped by the fingers.
- Figure 1 is an elevation of my improved pocket-knife, showing it closed.
- Fig. 2 is an elevation showin g one blade open;
- Fig. 3 a longitudinal section showing both blades closed, and
- Fig. 4 a similar section showing one blade open.
- the letter a represents the handle of a pocket-knife provided with two or more blades b c, pivoted to opposite ends of the handle.
- the tangs b c of the blades are provided at their rear ends with the projections 19 0 against which bear the ends of the usual spring g.
- a pocket-knife provided with a pair of blades pivoted to opposite ends of the handle, a spring, and a rigid tilting-lever that is pivoted within the handle and engages the tangs of the blades, substantially as specified.
- a pocket-knife provided with a pair of blades having projections on their tangs, a spring engaging said projections and a pair of rigid tilting-levers having arms of unequal length and engaging the tangs in front of the blade-pivots, substantially as specified.
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Knives (AREA)
Description
(No Model) G". PAFFRATH.
POCKET KNIFE.
No. 563,305. Pdtented July v7, 1896.
' mammals m! on. murmur-Ha. wanna-row 04 c.
UNITED STATES PATENT ()FFICE.
GUSTAV PAFFRATH, OF SOLINGEN, GERMANY.
POCKET-KNIFE.
SPECIFICATION forming part of Letters Patent N 0. 563,305, dated July 7, 1896.
Application filed November 9, 1894. Serial No. 528,278. (No model.) Patented in Germany November 15, 1893, No. 19,076, and in England December 21, 1893, No. 24,630.
To all whom it may concern:
Be it known that I, GUSTAV PAFFRATH, a subject of the German Emperor, residing at Solingen, Germany,have invented certain new and useful Improvements in Pocket-Knives, (and which was patented in Germany November 15,1893,N0. 19,07 6,and in England December 21, 1893, No. 2 I,63O,) of which the following is a specification.
This invention relates to a pocket-knife which is so constructed that the blades may be tilted slightly outward when they are to be opened, so that they may be more readily grasped by the fingers.
In the accompanying drawings, Figure 1 is an elevation of my improved pocket-knife, showing it closed. Fig. 2 is an elevation showin g one blade open; Fig. 3, a longitudinal section showing both blades closed, and Fig. 4 a similar section showing one blade open.
The letter a represents the handle of a pocket-knife provided with two or more blades b c, pivoted to opposite ends of the handle. The tangs b c of the blades are provided at their rear ends with the projections 19 0 against which bear the ends of the usual spring g. Above the spring 9 there are pivoted to the handle a, at e f, a pair of rigid tilting-levers e f, having arms of unequal length. The ends of these levers engage the tangs b c in front of their pivots. I
In use, a pressure upon the back of th closed blade 0 will cause the shorter arm of lever f to descend and its longer arm to ascend. This longer arm will therefore bear against the lower edge of the tang b and tilt the blade b upward, so that it may be readily grasped by the fingers. A pressure upon the back of closed blade I) will in like manner raise the blade 0 by a movement of the lever 6.
Of course other tools may be pivoted to the handle a, in lieu of the knife-blades, and, if desired, but a single lever may be used for both blades.
What I claim is- 1. A pocket-knife provided with a pair of blades pivoted to opposite ends of the handle, a spring, and a rigid tilting-lever that is pivoted within the handle and engages the tangs of the blades, substantially as specified.
2. A pocket-knife provided with a pair of blades having projections on their tangs, a spring engaging said projections and a pair of rigid tilting-levers having arms of unequal length and engaging the tangs in front of the blade-pivots, substantially as specified.
In testimony whereof I have signed this specification in the presence of two subscribing witnesses.
G. PAFFRATH.
Witnesses I HERM. ZANDER, LUDWIG TURCHHOFF.
Publications (1)
Publication Number | Publication Date |
---|---|
US563305A true US563305A (en) | 1896-07-07 |
Family
ID=2632025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US563305D Expired - Lifetime US563305A (en) | Gtjstay paffrath |
Country Status (1)
Country | Link |
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US (1) | US563305A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2718695A (en) * | 1952-07-17 | 1955-09-27 | Elsener Carl | Pocket knife |
US2798290A (en) * | 1956-10-10 | 1957-07-09 | William E Bassett | Combined tool |
US6460433B1 (en) | 1997-10-16 | 2002-10-08 | C-Tech Ag | Multipurpose hand device |
US20040034937A1 (en) * | 1995-07-29 | 2004-02-26 | Peter Ackeret | Multipurpose hand-held implement of the pocket-knife type |
US6779425B2 (en) | 2000-11-27 | 2004-08-24 | Ctech Ag | Multipurpose handheld implement |
US20050217032A1 (en) * | 2002-03-06 | 2005-10-06 | Beatrice Bruggisser | Multi-purpose hand-held device |
US20070121939A1 (en) * | 2004-01-13 | 2007-05-31 | Interdigital Technology Corporation | Watermarks for wireless communications |
-
0
- US US563305D patent/US563305A/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2718695A (en) * | 1952-07-17 | 1955-09-27 | Elsener Carl | Pocket knife |
US2798290A (en) * | 1956-10-10 | 1957-07-09 | William E Bassett | Combined tool |
US20040034937A1 (en) * | 1995-07-29 | 2004-02-26 | Peter Ackeret | Multipurpose hand-held implement of the pocket-knife type |
US6941604B2 (en) | 1995-07-29 | 2005-09-13 | Ctech Ag | Multipurpose hand-held implement of the pocket-knife type |
US6460433B1 (en) | 1997-10-16 | 2002-10-08 | C-Tech Ag | Multipurpose hand device |
US20050022635A1 (en) * | 1998-10-16 | 2005-02-03 | Peter Ackeret | Multipurpose handheld implement |
US6948409B2 (en) | 1998-10-16 | 2005-09-27 | Ctech Ag | Multipurpose handheld implement |
US6779425B2 (en) | 2000-11-27 | 2004-08-24 | Ctech Ag | Multipurpose handheld implement |
US20050217032A1 (en) * | 2002-03-06 | 2005-10-06 | Beatrice Bruggisser | Multi-purpose hand-held device |
US20070121939A1 (en) * | 2004-01-13 | 2007-05-31 | Interdigital Technology Corporation | Watermarks for wireless communications |
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