Winding – tensioning – or guiding – Unwinding – With drive mechanism
Reexamination Certificate
1999-06-28
2001-08-14
Nguyen, John Q. (Department: 3653)
Winding, tensioning, or guiding
Unwinding
With drive mechanism
C242S564200, C226S193000, C226S127000, C228S041000
Reexamination Certificate
active
06273358
ABSTRACT:
The present invention relates to the tool art and more particularly to a tool of utility in the field of electrical wiring and circuitry including circuit boards and the like, etc. Even more particularly, the present invention relates to a novel tool for holding a predetermined amount or supply of electrical solder, whether solid or rosin core, and, at the same time, includes features of construction allowing manual manipulation and controlled dispensement of the solder at a given rate adapted for convenience, ease and accuracy of performing the operation of soldering.
Solder is a well-known material which is marketed and used most generally in the form of a coiled length of the solder which is packaged as a coil, or coiled length for convenience of packaging, marketing and sales.
Soldering, somewhat similar to welding, is a means of joining together two pieces of reasonably similar material for any one of a variety of reasons. In welding, parts are joined together to form a more complex part capable of operating as a decoration or a structural component of a larger assembly.
Parts, of course, can be joined/secured together by the use of screws or nuts and bolts, etc. to assemble and construct a plurality of parts held together in a predetermined assembled and secured state as desired for a predetermined use or purpose.
In the electrical field, soldering is a preferred method of joining together two, electrical-conducting wires, for example, copper, such that the conducting property of the wire can be most advantageously acheived.
An electrical circuit can be completed by joining two pieces of wire and twisting them together, or by employing any one of a number of prefabricated terminals which engage two ends of two lengths of copper wire desirably joined together. Maintenance of mechanical strength and electrical conductivity of an unimpaired degree/level is best acheived by soldering the ends together. This is accomplished by placing the two wires in proximity or adjacent or in contacting relationship, heating them with a hot element such as a soldering iron or torch, perhaps applying a flux of one sort or another and then applying the end portion of a length of solder which melts due to the heat and surrounds or encapsulates the separate wire ends joining them into a single, integral piece which is usually, if properly performed, as strong as the copper wire itself and capable of tanutting an electrical current of the desired voltage and amperage which is not diminished in any way. I am aware of the following U.S. patents which relate generally to soldering tools but which differ from my improved device/system.
U.S. Pat. No. 5,266,113; U.S. Pat. No. 4,690,318; U.S. Pat. No. 4,942,984; Des. Patent 266,980; Des. Patent 276,500.
While the foregoing patents are disclosive of several different devices and systems for delivering a solder material or of a solder paste to exact locations; none of them are disclosive of the features of structure and operation as contemplated and acheived by my novel, unique device as described in detail hereinafter.
Most usually, in preparing to solder, the electrician or home craftsman situates himself proximate the wires or circuit boards which is to be combined with solder, together with a soldering gun connected to a suitable source of electricity or a soldering torch fileled by propane, for example. Then the package of solder is opened and the coiled length of solder removed package of solder is opened and the coiled length of solder removed whereupon the terminal end is hand bent into a somewhat straight portion which can be placed with its terminal end close to the wires. Usually, a length of 4 to 6 inches is straightened out so that the hand of the operator can be sufficiently remote from the heat as to avoid burns or the like. The wires are then heated and brought together with the solder to melt the solder. Upon contact with the heated wires, the melting then fusing and encapsulation (while holding the parts steady) creates a joined part upon cooling. The handling of the coiled supply of solder is not very convenient due to the tendency of the coil to become uncoiled. Further problems are caused by the necessity of putting down the soldering torch or gun so that the solder can be handled with both hands in order to keep a fresh length of solder exposed in linear, straight fashion for convenient, accurate and complete fusion/soldering.
Given the state of affairs and the status of the art as just hereinabove described; I have designed/invented a novel, multi-finctional tool/device and a unique method, in conjunction therewith, for accomplishing the soldering operation in a more convenient fashion which is, at the same time, more expeditious, accurate and definitely faster.
It is, accordingly, an object of the present invention to provide a novel, multi-finctional tool which obviates the difficulties hereinabove enumerated.
It is additionally an object of the present invention to provide such a tool which is quite simple, inexpensive and easily employed by anyone reasonably skilled in the art of soldering and/or handling basic tools.
It is yet another object of the present invention to provide a novel method or system of accomplishing the soldenng operation which avoids the difficulties enumerated hereinabove and which is easily practiced by one reasonably skilled in the art of soldering and handling basic tools.
It is a significant object of the present invention to provide a tool and a method which essentially provides for continuous soldering to take place without the necessity of laying down the soldering/heat-supplying tool for the purpose of hand manipulating the length of solder e.g. specifically the operative end and to do all of the above in a facile and expeditious manner.
It is also a significant and important object of the present invention to provide a tool and method which permits the soldering operation to be carried out faster, more neatly and more accurately. The foregoing objects and, as well, other objects of the present invention will become apparent to those skilled in the art from the following detailed description taken in conjunction with the annexed sheet of drawings on which is illustrated the tool and method of the present invention seen in it's simplest embodiment in two views.
REFERENCES:
patent: 4434925 (1984-03-01), Jacobs
patent: 4944464 (1990-07-01), Zalenka
patent: 6027068 (2000-02-01), Lantsman
Nguyen John Q.
Stutz Paul F.
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