EP0335863A1 - Cisailles a lames avec coulissement relatif. - Google Patents
Cisailles a lames avec coulissement relatif.Info
- Publication number
- EP0335863A1 EP0335863A1 EP87905961A EP87905961A EP0335863A1 EP 0335863 A1 EP0335863 A1 EP 0335863A1 EP 87905961 A EP87905961 A EP 87905961A EP 87905961 A EP87905961 A EP 87905961A EP 0335863 A1 EP0335863 A1 EP 0335863A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting
- blades
- shears
- blade
- fact
- 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.)
- Granted
Links
- 238000010008 shearing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B13/00—Hand shears; Scissors
- B26B13/12—Hand shears; Scissors characterised by the shape of the handles
Definitions
- the subject of this invention is a blade shear with relative slide of the blades against each other.
- Shears with cutting blades with relative slide of the blades against each other are already known in the present state of art. However, they are of a specific type and have essentially pruning functions in agriculture.
- the scope of this invention is to realize cutting shears which integrate the function of the traditional shears and which are able to carry out a cutting function that traditional shears are unable to do, particularly for the cutting of special materials and, above all, flat parts or cuts in areas of difficult access.
- this invention solves the problem by realizing scissor-type shears whose cutting blades are misaligned in respect to the respective handles which substitute the eyelets of the traditional pair of scissors, thereby determining an essentially "Z" shape which is more or less open in form.
- a relative slide is thus obtained between the respective cutting blades which favours the shearing action.
- the respective cutting edges are conveniently serrated in order to prevent eventual slipping of the product to be cut.
- the shears are realized by two sole parts of blank, cold-rolled plate which do not require particular, complicated workings to realize the respective handles.
- the handles are obtained by simply turning back the corresponding outside edge of the plate.
- the respective blades will be conveniently and eventually kept apart by a spring, for example, helically wound round the respective rotation pin.
- the counter blade can be double instead of being single, as in the traditional shears. That is to say, composed of two parallel blades spaced apart by the thickness of the cutting blade so that this can pass closely between them. A safer cutting action is thus obtained as the blade is "guided" between the respective counter blades.
- the counter blade is the lower one. It is possible to work better with this solution, for example, to be able to cut sheets without deviations.
- Figure 2 schematically shows the shearing system- and visualizes an alternative way of cutting by twin counter blades so that the cutting blade may insert itself between them.
- the shears or more properly, the scissors according to the traditional technique are composed of two elements (1,2) hinged at an intermediate point (3) so as to realize a new version of lever shears in which the handle (1',2') represents the leverage part whereas the blades (V,2") represent the resistance as the fulcrum (3) is in an intermediate position.
- the innovative characteristic derives from the fact that:
- the respective cutting edge of the respective blades is not oriented radially in respect to the point of rotation but angled in such a way that the cutting action also involves a relative sliding of the respective cutting edges of the same blades;
- the corresponding cutting edges are serrated.
- One of the two cutting edges is conveniently realized with saw teeth so as to prevent the cut material being shifted by the relative sliding of the blades in a blunt area.
- the scissors may conveniently bear a spring for self-opening (4).
- a means of hanging up the shears when closed may obviously be foreseen such as, for example, a hook or similar means realized on the respective handles. This means is not illustrated but is easily imaginable.
- the "2" shape thus conceived determines a transmission system of force similar to a man's jaw with the characteristic that the respective blade is angled in respect to the part which connects it to the pivoting point.
- the cutting counter blade (2") may also be double, that is to say it realizes a sort of pocket so that the cutting blade (1 ") passes closely between the pair of counter blades which, for this scope, have the corresponding thickness of the cutting blade between them. In this way the cut will be further assured both for cutting and for an eventual tearing movement.
- the shears can also act as pincers.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Scissors And Nippers (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87905961T ATE55717T1 (de) | 1986-12-12 | 1987-09-08 | Schere mit blaettern mit relativer verschiebung. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8683452A IT1216406B (it) | 1986-12-12 | 1986-12-12 | Cesoia a lame di taglioconscorrimento relativo. |
IT8345286 | 1986-12-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0335863A1 true EP0335863A1 (fr) | 1989-10-11 |
EP0335863B1 EP0335863B1 (fr) | 1990-08-22 |
Family
ID=11322105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87905961A Expired EP0335863B1 (fr) | 1986-12-12 | 1987-09-08 | Cisailles a lames avec coulissement relatif |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0335863B1 (fr) |
AU (1) | AU7914287A (fr) |
IT (1) | IT1216406B (fr) |
WO (1) | WO1988004223A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6063379A (en) * | 1993-12-09 | 2000-05-16 | Centro De Inmunologia Molecular | Anti-idiotypic monoclonal antibodies and compositions including the anti-idiotypic monoclonal antibodies |
DE69428763T2 (de) * | 1993-12-09 | 2002-08-01 | Ct De Inmunologia Molecular Ci | Monoklonale Antikörper gegen Ganglioside und deren Verwendung in der spezifischen, aktiven Immuntherapie gegen bösartige Tumoren |
DE19650322C2 (de) * | 1996-12-04 | 1999-02-11 | Hs Products Ag Systemtechnik U | Schneidbesteck für Backwerk |
ITFI20040178A1 (it) | 2004-08-06 | 2004-11-06 | Luigi Tellini | Forbici con taglio a scorrimento |
CN100556624C (zh) | 2005-08-02 | 2009-11-04 | 齐布拉有限责任公司 | 多功能包装开启器 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR966992A (fr) * | 1948-05-24 | 1950-10-23 | Sécateur | |
FR2523024A1 (fr) * | 1982-03-11 | 1983-09-16 | Levy Marc | Ciseaux pour decoupage d'angles |
-
1986
- 1986-12-12 IT IT8683452A patent/IT1216406B/it active
-
1987
- 1987-09-08 AU AU79142/87A patent/AU7914287A/en not_active Abandoned
- 1987-09-08 WO PCT/IT1987/000080 patent/WO1988004223A1/fr active IP Right Grant
- 1987-09-08 EP EP87905961A patent/EP0335863B1/fr not_active Expired
Non-Patent Citations (1)
Title |
---|
See references of WO8804223A1 * |
Also Published As
Publication number | Publication date |
---|---|
IT1216406B (it) | 1990-02-28 |
EP0335863B1 (fr) | 1990-08-22 |
WO1988004223A1 (fr) | 1988-06-16 |
AU7914287A (en) | 1988-06-30 |
IT8683452A0 (it) | 1986-12-12 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
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