Tools – Wire stripper – Having relatively movable clamp and blade
Patent
1997-04-08
2000-06-27
Scherbel, David A.
Tools
Wire stripper
Having relatively movable clamp and blade
81 941, H02G 112
Patent
active
060792965
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Industrial Field of Utilization
The present invention relates to an electric wire cover peeling tool for peeling an insulation cover covering the outside of an electric wire.
2. Description of the Prior Art
The following tools have been conventionally used for peeling the cover from an electric wire, for example, a tool illustrated in FIG. 10 includes semicircular blades 28a and 29a respectively at tips of a pair of handling rods 28 and 29 rotatably supported in an X shape. An electric wire (not shown in FIG. 10) is held between the upper and lower blades 28a and 29a so that a cover of a tip of the electric wire may be pulled off the end of the wire. Another conventional tool described in Japanese TOKKYO KOKAI S52-18910 and illustrated in FIG. 11 is for holding an electric wire between a pair of movable rods 30 and 31 respectively arranging a cutter 30a on one rod and a handle 31a on the other rod to make the movable rods 30 and 31 open pivotally under this condition, thereby pushing the electric wire cover positioned at an outer portion of the cutter 30a (i.e., the right side in FIG. 11) outwardly.
Among the mentioned-above conventional electric wire cover peeling tools, the one illustrated in FIG. 10 requires handling the handling rods while extracting the wire cover, thereby causing problems such as damage to a core of the wire. Furthermore, the operational efficiency of the device may be poor.
Moreover, in the conventional device illustrated in FIG. 11, an electric wire is bent at the time the movable rods are pivotally opened so that an insulation cover cannot be smoothly pulled out, which may damage the core wire. Moreover, the operation requires a power source such as an air compressor or the like thereby increasing equipment cost and being inferior because a body of the tool is connected to power source via an air hose or the like.
SUMMARY OF THE INVENTION
The present invention is directed to solving problems with these conventional electric wire cover peeling tools.
According to an embodiment of the present invention, an electric wire cover peeling tool for peeling an insulation cover of an electric wire comprises a body having a clamp receiver at one side thereof defining a jaw. The body further has a grip at a second side thereof, a clamp arm rotatably connected to the body so as to be movable toward and away from the clamp receiver, and an operation lever rotatably connected to the body so as to be movable toward and away from the grip. The tool can further include a first slider slidably engaged with the clamp receiver, a second slider slidably engaged with the clamp arm, and a link assembly coupled between the operation lever and the clamp arm and between the operation lever and the second slider, for transmitting movement of the operation lever to the clamp arm and the second slider. A biasing device is coupled to the second slider for urging the second slider in a selected direction relative to the body via the link assembly.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a side view showing an electric wire cover peeling tool according to the present invention.
FIG. 2 is a sectional view along line A--A in FIG. 1.
FIG. 3 is a plan view of the peeling tool illustrated in FIG. 1.
FIG. 4 is a longitudinal sectional view of the peeling tool illustrated in FIG. 1.
FIG. 5 is a longitudinal sectional view of a state in the middle of an operation of the peeling tool illustrated in FIG. 1.
FIG. 6 is a longitudinal sectional view of a state at completion of the operation of the peeling tool illustrated in FIG. 1.
FIG. 7 is a front view of a state prior to the operation of blades employed by the electric wire cover peeling tool according to the present invention.
FIG. 8 is a front view of the operating state of the blades employed for the peeling tool for electric wire cover according to the present invention.
FIG. 9 is a side view of the operating state of the blades employed for the electric wire cover peeling tool according to the present invention.
FIG. 10 is a
REFERENCES:
patent: 3221576 (1965-12-01), Goetz
patent: 3596541 (1971-08-01), Bieganski
patent: 3763723 (1973-10-01), Oprins
patent: 4112791 (1978-09-01), Wiener
patent: 4395928 (1983-08-01), Undin et al.
patent: 4557164 (1985-12-01), Krampe
Danganan Joni B.
Muromoto Tekko Kabushiki Kaisha
Scherbel David A.
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