EP0130241A1 - A jaw tool with safety device for preventing any unintentional approaching of hands to the jaws - Google Patents
A jaw tool with safety device for preventing any unintentional approaching of hands to the jaws Download PDFInfo
- Publication number
- EP0130241A1 EP0130241A1 EP83200972A EP83200972A EP0130241A1 EP 0130241 A1 EP0130241 A1 EP 0130241A1 EP 83200972 A EP83200972 A EP 83200972A EP 83200972 A EP83200972 A EP 83200972A EP 0130241 A1 EP0130241 A1 EP 0130241A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- expansions
- tool
- jaws
- segment
- openings
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
Definitions
- This invention relates to a jaw tool, such as pliers, pincers or cutting nippers, with a safety device preventing any unintentional approaching of an operator's hands to the jaws, and more particularly to the jaw zone adjacent the pivoting point thereof.
- pliers for operating under tensioning having on the pliers handles or handgrips a coating of suitable insulating material, and having on said handles adjacent the jaws such bulges that an operator, when holding the pliers in his hand, cannot exceed with his fingers said bulges, and accordingly come unintentionally in contact or touch with the metal portion which, when the pliers operate on a circuit under tension, may give rise to even serious accidents.
- one of the primary drawbacks is that when the pliers have the capability of a considerable opening, adjacent the jaw pivoting point, there is a quite wide opening that a finger may slip therebetween and thus come in contact or touch with the metal portion. Even if not operating under tension, such a drawback may cause that upon.pliers closing the finger remain confined between the handles tending to approach to each other with the possibility of accident for the operator.
- This invention is directed to overcome such drawbacks in a simple and effective manner, preventing this approaching to the fingers and risks deriving therefrom.
- the invention proposes a jaw tool, of the type having expansions on the handles adjacent the jaws, for preventing an operator's hand from exceeding such expansions, characterized in that between such expansions segments are provided, on which said expansions are at least partly sliding, for making up an obstacle to any unintentional introduction of an operator's hand or fingers between the tool handles beyond such segments.
- the pliers therein shown comprises handles 1 and 2, which are covered with a suitable insulating material and extending at the top in jaws 3 and 4 pivoted to each other at 5.
- pliers of this type comprise expansions 6 and 7, provided on the handles adjacent the pivoting point, having the purpose that an operator's hand gripping said handles 1 and 2 is inhibited from exceeding the expansions 6 and 7, unintentionally reaching the zone of said jaws 3 and 4, the latter being not insulated.
- openings respectively indicated at 10 and 11 are provided in said expan sions 6 and 7, preferably on either side of the pliers, in which openings a segment 12 of any suitable material is slipped in.
- Such openings 10 and 11 and accordingly said segment 12 may be configurated as an arc of circle with center at 5, or said openings may be simply straight or rectilinear and said segment 12 may have a sufficient degree of flexibility to be arranged as an arc of circle in the free section, and straight or rectilinear in the section inside said openings 10 and 11.
- the segment 12 may be blocked on one expansion, for example expansion 10, and freely slidable in expansion 11, or may be freely slidable in both, being of a sufficient length that at maximum opening of the pliers it cannot exit from said openings 10 and 11.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Scissors And Nippers (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Description
- This invention relates to a jaw tool, such as pliers, pincers or cutting nippers, with a safety device preventing any unintentional approaching of an operator's hands to the jaws, and more particularly to the jaw zone adjacent the pivoting point thereof.
- Such tools have been already known. For example, known are pliers for operating under tensioning, having on the pliers handles or handgrips a coating of suitable insulating material, and having on said handles adjacent the jaws such bulges that an operator, when holding the pliers in his hand, cannot exceed with his fingers said bulges, and accordingly come unintentionally in contact or touch with the metal portion which, when the pliers operate on a circuit under tension, may give rise to even serious accidents.
- However, pliers of such a type are not free of drawbacks.
- Thus, one of the primary drawbacks is that when the pliers have the capability of a considerable opening, adjacent the jaw pivoting point, there is a quite wide opening that a finger may slip therebetween and thus come in contact or touch with the metal portion. Even if not operating under tension, such a drawback may cause that upon.pliers closing the finger remain confined between the handles tending to approach to each other with the possibility of accident for the operator.
- This invention is directed to overcome such drawbacks in a simple and effective manner, preventing this approaching to the fingers and risks deriving therefrom.
- In order to achieve the above objects, the invention proposes a jaw tool, of the type having expansions on the handles adjacent the jaws, for preventing an operator's hand from exceeding such expansions, characterized in that between such expansions segments are provided, on which said expansions are at least partly sliding, for making up an obstacle to any unintentional introduction of an operator's hand or fingers between the tool handles beyond such segments.
- The invention will be anyhow more clearly understood from the following detailed description given by way of example with reference to the accompanying drawing, in which:
- Fig. 1 is a view showing a jaw tool, particularly pliers, embodying the object of the present invention;
- Fig. 2 is a top view;
- Fig. 3'is a sectional view taken along line III-III of Fig.2;
- Fig. 4 is a fragmentary view with jaws widely apread apart.
- Referring to the above figures of the accompanying drawing, the pliers therein shown comprises
handles jaws - As well known, pliers of this type comprise
expansions handles expansions jaws - It will be readily understood that, when such pliers can be quite opened (see Fig. 4), that is the jaws can be substanti ally spread apart from each other, a
zone 8 between the handle ends beyond saidexpansions zone 8, so that under certain conditions of opening the operator's fingers inside ofhandles zone 8, thus approaching the lower portion 9 of the spread apart jaws, in a zone where the latter are not covered with insulating material (see Fig. 4). - Thus, it clearly appears that when operating, for example under tension, the risk of accidents may occour.
- According to the present invention, openings respectively indicated at 10 and 11 (Fig. 3) are provided in said
expan sions segment 12 of any suitable material is slipped in. -
Such openings segment 12 may be configurated as an arc of circle with center at 5, or said openings may be simply straight or rectilinear and saidsegment 12 may have a sufficient degree of flexibility to be arranged as an arc of circle in the free section, and straight or rectilinear in the section inside saidopenings segment 12 may be blocked on one expansion, forexample expansion 10, and freely slidable inexpansion 11, or may be freely slidable in both, being of a sufficient length that at maximum opening of the pliers it cannot exit from saidopenings - It is also evident that after introduction of
segment 12, theopenings segments 12 can be mounted by standard techniques well known to those skilled in the art. - By this arrangement, it is evident that an operator's hand gripping the
handles 1 and 2 (who often in practice holds a finger inside ofhandles 1 and 2), even at maximum opening of the jaws, as shown in Fig. 4, cannot unintentionally slide inside of the handles beyond thesegment 12, materially preventing any further approaching thereof to thedangerous zone 8. - It clearly appears that said
segment 12 will be placed at such a distance fromzone 8 as to meet the anti-accident rules. It is also evident that herein an embodiment has been described as relating to pliers, but that the invention is applicable to any jaw type tool, such as nippers, cutting nippers and the like..It is also evident that the invention although described with reference to the specific embodiment shown, is intended as extended to all of the possible changes or variants.
Claims (6)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8383200972T DE3370946D1 (en) | 1983-06-30 | 1983-06-30 | A jaw tool with safety device for preventing any unintentional approaching of hands to the jaws |
AT83200972T ATE26552T1 (en) | 1983-06-30 | 1983-06-30 | PLIERS WITH SAFETY ELEMENT TO PREVENT HANDS ACCIDENTALLY APPROACHING THE JAWS. |
EP83200972A EP0130241B1 (en) | 1983-06-30 | 1983-06-30 | A jaw tool with safety device for preventing any unintentional approaching of hands to the jaws |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP83200972A EP0130241B1 (en) | 1983-06-30 | 1983-06-30 | A jaw tool with safety device for preventing any unintentional approaching of hands to the jaws |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0130241A1 true EP0130241A1 (en) | 1985-01-09 |
EP0130241B1 EP0130241B1 (en) | 1987-04-15 |
Family
ID=8190972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83200972A Expired EP0130241B1 (en) | 1983-06-30 | 1983-06-30 | A jaw tool with safety device for preventing any unintentional approaching of hands to the jaws |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0130241B1 (en) |
AT (1) | ATE26552T1 (en) |
DE (1) | DE3370946D1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5025996A (en) * | 1990-03-13 | 1991-06-25 | Lavin Janice A | Tablet or pill pulverizer |
US6941846B2 (en) * | 2003-05-08 | 2005-09-13 | Chih-Ching Hsien | Pliers |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1772428A (en) * | 1930-01-20 | 1930-08-05 | John J Palotce | Pliers, tongs, or the like |
GB678675A (en) * | 1951-04-09 | 1952-09-03 | Josef Blum | Improvements in or relating to pliers with insulated handgrips |
US2721386A (en) * | 1947-09-18 | 1955-10-25 | Norman E Habart | Pruning nippers with lock device |
FR1341705A (en) * | 1962-09-19 | 1963-11-02 | Advanced pliers | |
GB1503536A (en) * | 1974-08-01 | 1978-03-15 | Xerox Corp | Transfer apparatus for electrostatographic apparatus |
-
1983
- 1983-06-30 AT AT83200972T patent/ATE26552T1/en not_active IP Right Cessation
- 1983-06-30 DE DE8383200972T patent/DE3370946D1/en not_active Expired
- 1983-06-30 EP EP83200972A patent/EP0130241B1/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1772428A (en) * | 1930-01-20 | 1930-08-05 | John J Palotce | Pliers, tongs, or the like |
US2721386A (en) * | 1947-09-18 | 1955-10-25 | Norman E Habart | Pruning nippers with lock device |
GB678675A (en) * | 1951-04-09 | 1952-09-03 | Josef Blum | Improvements in or relating to pliers with insulated handgrips |
FR1341705A (en) * | 1962-09-19 | 1963-11-02 | Advanced pliers | |
GB1503536A (en) * | 1974-08-01 | 1978-03-15 | Xerox Corp | Transfer apparatus for electrostatographic apparatus |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5025996A (en) * | 1990-03-13 | 1991-06-25 | Lavin Janice A | Tablet or pill pulverizer |
US6941846B2 (en) * | 2003-05-08 | 2005-09-13 | Chih-Ching Hsien | Pliers |
Also Published As
Publication number | Publication date |
---|---|
ATE26552T1 (en) | 1987-05-15 |
EP0130241B1 (en) | 1987-04-15 |
DE3370946D1 (en) | 1987-05-21 |
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