WO2002004178A1 - Ausklappschere - Google Patents
Ausklappschere Download PDFInfo
- Publication number
- WO2002004178A1 WO2002004178A1 PCT/EP2001/007590 EP0107590W WO0204178A1 WO 2002004178 A1 WO2002004178 A1 WO 2002004178A1 EP 0107590 W EP0107590 W EP 0107590W WO 0204178 A1 WO0204178 A1 WO 0204178A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- scissor blade
- actuating lever
- folding
- folding scissors
- movable
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F1/00—Combination or multi-purpose hand tools
- B25F1/02—Combination or multi-purpose hand tools with interchangeable or adjustable tool elements
- B25F1/04—Combination or multi-purpose hand tools with interchangeable or adjustable tool elements wherein the elements are brought into working positions by a pivoting or sliding movement
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B13/00—Hand shears; Scissors
Definitions
- the invention relates to a folding scissors according to the preamble of claims 1 and 12 respectively.
- Such a fold-out scissors for a multi-purpose hand-held device is known from WO 99/20438 and comprises two scissor blades and an actuating lever, which are arranged side by side between a storage position and a use position with respect to a housing and can be folded out, in the use position a scissor blade with respect to the The housing is stationary and the other scissor blade can be closed against a spring force via a driver by the actuating lever.
- the object of the invention is therefore to provide a folding scissors according to the preamble of claims 1 and 12, respectively, which makes it possible, in the closed position of use, to easily release jammed scissor blades from one another.
- Fig. 1 shows in perspective a folding scissors in the unfolded state with closed scissor blades.
- Fig. 2a shows a slightly modified folding scissors compared to Fig. 1 in the folded state in side view.
- Fig. 2b shows an enlarged section of Fig. 2a.
- FIG. 3a shows the unfolding of the folding scissors from FIG. 2a.
- FIG. 3b shows an enlarged section of FIG. 3a.
- Fig. 4a shows the fold-out scissors of Fig. 2a in the open state of use.
- Fig. 4b shows an enlarged section of Fig. 4a.
- Fig. 5a shows the closed folding scissors of Fig. 2a in the state of use.
- FIG. 5b shows an enlarged section of FIG. 5a.
- Fig. 6a shows the opening of the fold-out scissors of Fig. 1 by loosening the jammed scissor blades.
- FIG. 6b shows a section from FIG. 6a.
- the fold-out scissors shown comprise two scissor blades 1, 2 which are connected to one another in an articulated manner via a rivet 3.
- the fold-out scissors further comprises an actuating lever 4 which is connected to the movement piece 5 by means of the in the use position movable scissor blade 2 is engaged.
- the scissor blade 1 which is blocked in the use position and thus fixed, the movement deflection piece 5 and the actuating lever 4 are arranged in a layered manner rotatably next to one another on an axle 7 which is mounted in a housing 6 (only partially shown in the form of a plate).
- the movement deflection piece 5 is acted upon by a leaf spring 8, which is arranged on a pin 9 supported in the housing and is supported with a leg 8a facing away from the movement deflection piece 5 on a pin 10 in the housing 6 and with a head 8c at the end of the other leg 8b is in operative connection with the movement deflection piece 5 in order to bias the movable scissor blade 2 into the open position in the use position of the folding scissors.
- the fixed scissor blade 1 is blocked by a further leaf spring 11, which is also arranged on the pin 9 like the leaf spring 8 and is designed accordingly, in the folded-out position by latching and is thus fixed in the use position.
- the movement deflecting piece 5 has a circular-shaped extension 12 which engages with a corresponding recess 13 at the shaft end of the movable scissor blade 2.
- the movable scissor blade 2 is moved from its open to the closed position with respect to the fixed scissor blade 1 when the movement deflection piece 5 is rotated by the actuating lever 4 in the counterclockwise direction (as shown).
- the extension 12 carries a pin 14 which is received by a circularly curved slot 15 on the fixed scissor blade 1, which determines the opening angle of the fold-out scissors.
- the actuating lever 4 has an extension 16 projecting beyond the axis 7, which has a driver 17 bent by 90 ° in the direction of the movable scissor blade 2, which can be brought into engagement with the movement deflection piece 5 in order to close the latter when the actuating lever 4 is pivoted Rotate scissor blades 1, 2 and thereby pivot the movable scissor blade 2. Since the movement deflection piece 5 is in engagement with the head 8c of the leaf spring 8, this operation of the folding scissors takes place deflecting the leaf spring 8, which returns it to the open position when the actuating lever 4 is released.
- an additional leaf spring 18 is provided, which is also supported at one end by the pin 10 on the housing 6, is movable around the pin 9 and with the head 19 of its other end adjacent to a protruding from the head 8c of the leaf spring 8 Pin 20 is located, with which the additional leaf spring 18 can come into operative connection.
- the pin 20 is in the folded-in storage position of the folding scissors out of engagement with the head 19 of the additional leaf spring 18.
- cf. 3a, 3b t acts on the movable scissor blade 2 on the movement deflection piece 5 and rotates it according to the fold-out angle about the axis 7.
- the movement deflection piece 5 acts on the head 8c of the leaf spring 8 and presses it inwards, whereby the pin 20 with the Head 19 of the additional leaf spring 18 comes into engagement.
- the intervention takes place from a certain fold-out angle of, for example, 10 °, so that the fold-out is not hindered up to a position in which the scissors can be comfortably gripped.
- the scissor blade 1 acts on the leaf spring 11, which biases it into the folded position, which is also deflected thereby.
- the unfolding of the scissors starting from the housing 6 to an angle that allows easy gripping of the scissors sheets 1, 2 for complete manual unfolding can be done via a corresponding opening mechanism, as described for example in WO 99/20438.
- the actuating lever 4 is carried along by the driver 17, so that finally the use position shown in FIGS. 4a, 4b is reached with the scissor blades 1, 2 open.
- the head 8c of the leaf spring 8 is received in a corresponding recess 22 between the nose 21 and an essentially circular arc-shaped curve section 23 of the movement deflecting piece 5, which merges into a section 24 which is slightly concave to the extension 12 and which, in the storage position, is for prestressing serves the movable scissor blade 2 in this position, cf. 2a, 2b.
- the fold-out scissors can then be actuated by pressing the actuating lever 4 against the housing 6, whereby the scissor blades 1, 2 are closed for cutting, cf. 5a, 5b.
- the movement deflection piece 5 is rotated about the axis 7 and presses the head 8c of the leaf spring 8 in the direction of the head 19 of the additional leaf spring, so that finally the pin 20 comes into engagement with the head 19 and thereby clamps the additional leaf spring 18 with a further closing movement ,
- the force required to close the scissor blades 1, 2 progressively increases towards the end of the closing process, where the greatest possible spring force is required to unclamp the scissor blades 1, 2, which is perceived as pleasant when cutting, while on the majority of the closing stroke of the Scissor blade 2 no increase in the cutting force is caused by the additional leaf spring 18.
- the extension 16 on the actuating lever 4 takes the head 19 of the additional leaf spring 18 in the direction of the pin 20, as a result of which this and thus the head 8c of the leaf spring 8 moves accordingly, and thereby the movement deflection piece 5, which is the head 8c of the leaf spring 8 in the recess 22, is rotated into the position shown in Fig. 6b.
- the movable scissor blade 2 is thereby inevitably unclamped via the movement deflection piece 5 and returns to the open position with respect to the fixed scissor blade 1.
- the scissor blade 1 which is fixed in the use position, is unblocked by means of a separate mechanism (not shown) and pivoted against the force of the leaf spring 11 in the direction of the housing 6, so that the movable scissor blade 2 also rises via the rivet 3 and the pin 14 and the movement deflection piece 5 can also be folded in.
- the two scissor blades 1, 2 encounter a thumb catch 25 of the actuating lever 4 protruding into their path of movement, as a result of which the latter is also folded and is held under the two scissors 1, 2, FIG. 2a.
- the fixed scissor blade 1 is biased by the leaf spring 11 into the storage position, while the movement deflection piece 5 is moved by the leaf spring 8 until the pin 14 abuts the end of the elongated hole 15 and holds the movable scissor blade 2 in the closed position in this position.
- a correspondingly thick leaf spring can also be used instead of the two leaf springs 8, 18.
- leaf springs 8, 18 since leaf springs of the type required here can only be produced to a certain strength by stamping, but the spring force that would then be achieved would be correspondingly limited.
- the use of two leaf springs 8, 18 has the advantage that the force of the additional leaf spring 18 is not effective in all positions of the scissors.
- the actuating lever 5 can also be coupled directly to the movable scissor blade 2, with its driver 17 acting on it to close the scissor blades 1, 2, as a result of which no movement deflection piece 5 is required.
- a further driver is to be provided, by means of which the actuating lever 4 and the movable scissor blade 2 can be brought into operative connection in the use position, so that the movable scissor blade 2 can be moved from the closed into the open position via the actuating lever 4, the operative connection during Folding in and out of the scissors is interrupted, ie that the further driver is only in one direction of rotation of the actuating lever 4, which is opposite to the direction of rotation for closing the scissor blades 1, 2, is active.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Scissors And Nippers (AREA)
- Knives (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002508614A JP2004502509A (ja) | 2000-07-08 | 2001-07-03 | 旋開バサミ |
CA002415279A CA2415279A1 (en) | 2000-07-08 | 2001-07-03 | Swing-out scissors |
EP01949460A EP1305146A1 (de) | 2000-07-08 | 2001-07-03 | Ausklappschere |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10033393.1 | 2000-07-08 | ||
DE10033393A DE10033393A1 (de) | 2000-07-08 | 2000-07-08 | Ausklappschere |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002004178A1 true WO2002004178A1 (de) | 2002-01-17 |
Family
ID=7648355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/007590 WO2002004178A1 (de) | 2000-07-08 | 2001-07-03 | Ausklappschere |
Country Status (6)
Country | Link |
---|---|
US (1) | US20030163922A1 (de) |
EP (1) | EP1305146A1 (de) |
JP (1) | JP2004502509A (de) |
CA (1) | CA2415279A1 (de) |
DE (1) | DE10033393A1 (de) |
WO (1) | WO2002004178A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1327505B1 (de) * | 2002-01-09 | 2005-09-28 | Wenger S.A. | Klappbares Mehrzweckwerkzeug |
US7167563B2 (en) | 2000-02-09 | 2007-01-23 | Swisscom Mobile Ag | Decoding device, decoding method and chip-card |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5743582A (en) * | 1995-11-29 | 1998-04-28 | Leatherman Tool Group, Inc. | Multi-purpose tool including tweezers and method for making same |
WO1999020438A1 (de) | 1997-10-16 | 1999-04-29 | Ctech Ag | Mehrzweck-handgerät |
-
2000
- 2000-07-08 DE DE10033393A patent/DE10033393A1/de not_active Ceased
-
2001
- 2001-07-03 WO PCT/EP2001/007590 patent/WO2002004178A1/de not_active Application Discontinuation
- 2001-07-03 US US10/311,781 patent/US20030163922A1/en not_active Abandoned
- 2001-07-03 CA CA002415279A patent/CA2415279A1/en not_active Abandoned
- 2001-07-03 JP JP2002508614A patent/JP2004502509A/ja active Pending
- 2001-07-03 EP EP01949460A patent/EP1305146A1/de not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5743582A (en) * | 1995-11-29 | 1998-04-28 | Leatherman Tool Group, Inc. | Multi-purpose tool including tweezers and method for making same |
WO1999020438A1 (de) | 1997-10-16 | 1999-04-29 | Ctech Ag | Mehrzweck-handgerät |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7167563B2 (en) | 2000-02-09 | 2007-01-23 | Swisscom Mobile Ag | Decoding device, decoding method and chip-card |
EP1327505B1 (de) * | 2002-01-09 | 2005-09-28 | Wenger S.A. | Klappbares Mehrzweckwerkzeug |
Also Published As
Publication number | Publication date |
---|---|
US20030163922A1 (en) | 2003-09-04 |
CA2415279A1 (en) | 2002-01-17 |
JP2004502509A (ja) | 2004-01-29 |
DE10033393A1 (de) | 2002-01-24 |
EP1305146A1 (de) | 2003-05-02 |
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