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Publication numberUS2311276 A
Publication typeGrant
Publication dateFeb 16, 1943
Filing dateSep 3, 1940
Priority dateOct 17, 1938
Publication numberUS 2311276 A, US 2311276A, US-A-2311276, US2311276 A, US2311276A
InventorsWilliam H Wilcox
Original AssigneeCalifornia Cedar Prod
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Contact glove
US 2311276 A
Abstract  available in
Images(1)
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Claims  available in
Description  (OCR text may contain errors)

Feb. 16, 1943. w WILCOX 2,311,276

CONTACT GLOVE Original Filed Oct. 17, 1938 INVENTOR lUm J6. CUz'lcox ATTORNEYS Patented Feb. 16, 1943 CONTACT GLOVE William H. Wilcox, Stockton, Calif., assignor to California Cedar Products Company, Stockton, Ca'lifi, a corporation of California Original application October 17, 1938, Serial No.

235,476. Divided and this application Septemher 3, 1940, Serial No. 355,203

8 Claims.

This invention relates in general to an electric appliance, and in particular the invention is directed to, and it is my principal object to provide a unique contact glove adapted to be worn and employed by an operator of an article sorting apparatus, or the like, which includes exposed potential receiving and holding elements such as shown in my copending application for United States Letters Patent on Article sorting apparatus, Serial No. 235,476, filed October 17, 1938; the present application being a division of such above identified pending application.

Another object of the invention is to provide a contact glove, as above, wherein a plurality of the fingers of the glove are each provided with a separate contact element or thimble; each such thimble being charged with a different potential.

An additional object of the invention is to provide the glove with contact elements or thimbles on a plurality of the fingers thereof; certain ones of said contact elements being charged with a potential of like polarity, while one of said contact elements is charged with an opposite and preferably negative polarity.

A further object of the invention is to produce a simple and inexpensive device and yet one which will be exceedingly effective for the purpose for which it is designed.

These objects I accomplish by means of such structure and relative arrangement of parts as will fully appear by a perusal of the following specification and claims.

In the drawing similar characters of reference indicate corresponding parts in the several views:

Figure 1 is a perspective view of the contact glove.

Figure 2 is an enlarged fragmentary, longitudinal section of the end of one finger of the glove with the contact element afiixed thereto.

Figure 3 is a diagram of the electric circuit employed in connection with the contact glove.

Figure 4 is a fragmentary elevation of one form of apparatus with which the contact glove is adapted to be used, as shown in said copending application.

Referring now more particularly to the characters of reference on the drawing, my novel contact glove comprises a glove I of flexible dielectric material such as rubber; the fingers of said glove being indicated by the numeral 2 except the thumb which is indicated by the numeral 3.

The tips of the fingers 2, and including the thumb 3, of the glove are each fitted with an exposed metallic contact element or thimble 4; said thimbles being of any desired external configuration and suitably secured on the dielectric fingers of the glove.

A five wire electric cord 5 leads from a conventional power supply unit 6 which receives current from supply wires 1.

The thimbles 4 of four fingers of the glove are each charged through one of the insulated wires W of cord 5 from the power supply unit 6 and each with a different potential but all of like polarity, preferably positive. For example, the four thimbles will be chargedin consecutive orderwith positive potentials of 10, 20, 30 and 40 volts respectively. The remaining thimble, preferably the one on thumb 3, carries a negative or ground potential; the wire for said remaining thimble being grounded at G.

The above described contact glove is designed for use in connection with article sorting apparatus, or other mechanisms, which include potential holding elements as a means of article identification; apparatus of such type being shown in the above identified copending application.

For the purpose of clarity and reference I have here shown (see Fig. 4) a partial view of the apparatus disclosed in the aforesaid copending application.

Articles 8 such as pencil slats, to be identified and segregated for grade, etc., are supported in spaced parallel relation on a moving horizontal conveyor 9. An endless chain i0 is disposed with its upper reach parallel to but laterally and downwardly offset relative to conveyor 9; every other link of chain [0 being an attachment link, and an outwardly extending dielectric block H being fixed thereon. Each block carries an outer metallic contact face I2 including an outwardly projecting contact ear [3, and a lead wire M which connects with one terminal of a fixed condenser I5 set in a bore in the corresponding block II. The other terminal of each condenser is connected to the adjacent link of chain ID by a ground lead IS. The conveyor 9 and chain I0 are driven at the same speed, and the above condenser units are of such size and number that at least one thereof alines with each article 8 on conveyor 9.

A plurality of electrically actuated, article kick off mechanisms corresponding in number to the positively charged thimbles are mounted adjacent conveyor 9 in longitudinally spaced relation; one of said mechanisms being shown at l 1. These mechanisms are disposed so that when several onesof said electrical apparatus are set to function only with one of the several potentials with which the thimbles 4 of the aforesaid four fingers f the glove are charged.

The operator wears the contact glove on one hand and sits adjacent the conveyor 9 ahead of the kick oii mechanisms; the articles 8 on said conveyor being visually inspected. As the articles pass and are so inspected, the operator permits one grade to pass. However when an article of a different grade appears the operator touches the contact face E2 of the corresponding condenser l5.with the charged thimble whose potential charge correspondsby predetermination with said different grade. This imparts a predetermined potential charge to said condenser which continues to travel and when the contact ear 13 of said condenser engages the wiping contact l9 corresponding to the electric apparatus and kick off mechanism i'l set to operate at such potential charge, said mechanism functions and discharges said article into the receiving bin for such grade.

It is thus apparent that the operator can segregate several grades from the passing articles, depending on the number of kick ofi mechanisms and corresponding charged thimbles of the glove. Should the operatorcharge a condenser by error, the thimble 4 of thumb 3, and which thimble is of negative or ground polarity, is touched to the adjacent plate l2 and the erroneous charge grounded out.

A grounding wiping contact 2| mounted beyond the mechanisms I! clears all condensers as they pass.

From the foregoing description it will be readily seen that I have produced such a device as substantially fulfills the objects of the invention as set forth herein.

While this specification sets forth in detail the present and preferred construction of the device, still in practice such deviations from such detail may be resorted to as do not form a departure from the spirit of the invention, as defined by the appended claims. I

Having thus described my invention, what I claim as new and useful and desire to secure by Letters Patent is:

1. A device for charging potential holding elements with a selected one of different charges, said device comprising a plurality of contact elements adapted to be supported on the fingers of an operators hand, a separate wire leading to each contact element, and a power supply unit connected to said wires and supplying current of diiferent potentials but like polarity to all but one of said cont-act elements; the power supply unit supplying current of opposite polarity to said one contact element.

2. A device as in claim 1 in which said means comprises a dielectric glove, the contact elements being fixed to the fingers thereof.

3. A device as in claim 1 in which said means comprises a dielectric glove, the contact elements being fixed to the fingers thereof; said one contact element being fixed to the thumb of the glove.

4. A device for charging potential holding elements with a selected one of diiferent charges, said device comprising a glove of dielectric material, metallic thimbles fixed on the ends of the fingers of the glove, an insulated wire leading to each thimble, and a power supply unit having a plurality of output terminals, said terminals supplying current of different potentials and being connected to corresponding ones of said wires.

5. A device for charging potential holding elements, said device comprising a glove of dielectric material metallic thimbles fixed on the ends of the fingers of the glove, and insulated wire leading to each thimble, and a power supply unit connected to said wires and supplying current of different potentials but like polarity to all but one of said thimbles, and supplying a potential of opposite polarity to said one thimble.

6. A device for charging potential holding elements, said device including a power supply unit having a plurality of outputs of difi'ierent potentials, and means including flexible wires sup-. ported in part by the hand of an operator, to transmit said potentials to, and establish a contact point at, the ends of different fingers of the operator.

7. A device for charging potential holding elements with a selected one of different charges, said device comprising a plurality of contact elements adapted to be supported on the fingers of an operators hand, a power supply unit having a plurality of output terminals, said terminals supplying current of different potentials, and separate wires leading from said terminals to corresponding ones of said contact elements.

8. A device for charging potential holding elements with a selected one of difierent charges, said device comprising a plurality of contact elements adapted to be supported on the fingers of an operators hand, a power supply unit having a plurality of output terminals, said terminals supplying current of different potentials but like polarity, and separate wires leading from said terminals to corresponding ones of said contact elements.

WILLIAM H. WILCOX.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2897424 *Nov 10, 1953Jul 28, 1959Robert W WaringElectrostatic apparatus
US2897425 *Oct 21, 1958Jul 28, 1959Robert W WaringMethod of and apparatus for producing electrostatic force
US3370233 *Jun 4, 1964Feb 20, 1968Triplett Electrical Instr CoTest apparatus for determining beta and leakage current of an in-circuit or out-of-circuit transistor
US3662078 *Sep 11, 1969May 9, 1972Mattel IncSelf teaching machine
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US9301563 *Feb 7, 2013Apr 5, 2016Nova Diagnostics, LlcPressure sensing glove
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US20110016609 *Jun 1, 2010Jan 27, 2011180S, Inc.Hand Covering with Conductive Portion
US20110191935 *Apr 6, 2011Aug 11, 2011Schneider Andrew ISurgical glove system
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Classifications
U.S. Classification361/230, 209/652, 473/205, 2/160, 174/5.0SB, 324/558, 439/37, 307/149, 209/942
International ClassificationA41D19/015
Cooperative ClassificationY10S209/942, A41D19/015
European ClassificationA41D19/015