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US3824982A Expired / Lapsed US ⏱️ 0.0 years remaining

Machine for cutting brittle materials

Assignee: Motorola Solutions Inc
•
Filing: 1973-07-02
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Granted: 1974-07-23
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Expires: 1993-07-02
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Abstract

Abstract A carriage having a pair of pulleys mounted thereon and mounted for reciprocating movements between a pair of fixedly positioned pulleys with switches positioned at each end of the path so as to be activated by the carriage as it reaches either end of the path. A plurality of pulleys mounted in spaced apart relationship to define a cutting area, one of said pulleys being driven by a reversible motor connected to the two switches to reverse each time the carriage reaches an end of the path. A continuous strand of wire extending from a wire supply to a take-up means and engaged around the pulleys of the carriage, the pulleys associated with the carriage and the pulleys defining the web to follow a continuous path from the supply to the take-up.

Inventors

  • 👤 J Bowman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 15:52
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/46; B26D1/50; B26D1/547; B26D7/00; B26D7/26; B28; B28D; B28D5/00; B28D5/04; B28D5/045; D; D21; D21B; D21B1/00; D21B1/04; D21B1/12

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 198 words
An improved machine for cutting brittle materials comprising: a. continuous wire supply means; b. take-up means for used wire; c. a plurality of wire guides defining a continuous wire path between said wire supply means and said take-up means and further defining a cutting area; d. material mounting means for rigidly affixing adjacent said cutting area pieces of material to be cut; e. said material mounting means and the wire within said cutting area being further mounted for relative converging and diverging movements; and f. switching means for producing relative reciprocating movements between wire in said cutting area and the piece of material to be cut, said switching means including a reversible motor and pulley means driven thereby, a carriage having pulley means thereon for cooperating with some of said wire guides to define a predetermined length of wire path within said continuous wire path operating to allow reversal of the wire in said cutting area with reversal of said motor, said carriage being mounted for reciprocating travel along a linear path between two of said wire guides positioned in spaced apart relationship, and switch means mounted for operation upon said carriage reaching each end of said path.
Claim 2
Dependent Claim 198 words
An improved machine for cutting brittle materials comprising: a. continuous wire supply means; b. take-up means for used wire; c. a plurality of wire guides defining a continuous wire path between said wire supply means and said take-up means and further defining a cutting area; d. material mounting means for rigidly affixing adjacent said cutting area pieces of material to be cut; e. said material mounting means and the wire within said cutting area being further mounted for relative converging and diverging movements; and f. switching means for producing relative reciprocating movements between wire in said cutting area and the piece of material to be cut, said switching means including a reversible motor and pulley means driven thereby, a carriage having pulley means thereon for cooperating with some of said wire guides to define a predetermined length of wire path within said continuous wire path operating to allow reversal of the wire in said cutting area with reversal of said motor, said carriage being mounted for reciprocating travel along a linear path between two of said wire guides positioned in spaced apart relationship, and switch means mounted for operation upon said carriage reaching each end of said path.
Claim 3
Dependent Claim 61 words
An improved machine as set forth in claim 1 wherein said continuous wire supply means includes a drive motor and spool driven by the shaft thereof and said take-up means includes a drive motor and spool driven by the shaft thereof, said drive motors being energized continuously during operation of said machine to continuously move new wire along said continuous path.
Claim 4
Dependent Claim 44 words
An improved machine as set forth in claim 1 wherein the switch means includes a switch mounted at each end of the path of said carriage and an abuttment on said carriage for activating one of said switches at each end of the path.
Claim 5
Dependent Claim 51 words
An improved machine as set forth in claim 1 wherein the pulley means on the carriage include two elongated pulleys, rotatably mounted generally parallel and the some of said wire guides include two elongated pulleys, rotatably mounted in spaced apart, fixed positions to define the predetermined path of the carriage therebetween.
Claim 6
Dependent Claim 51 words
An improved machine as set forth in claim 1 wherein said plurality of wire guides further include a plurality of parallel elongated pulley means fixedly positioned in spaced apart relationship for receiving a plurality of turns of wire therearound to define a web one side of which defines the cutting area.
Claim 7
Dependent Claim 222 words
An improved machine for cutting brittle materials comprising: a. continuous wire supply means; b. take-up means for used wire; c. a plurality of wire guides defining a continuous wire path between said wire supply means and said take-up means and Further defining a cutting area; d. material mounting means for rigidly affixing adjacent said cutting area pieces of material to be cut; e. said material mounting means and the wire within said cutting area being further mounted for relative converging and diverging movements; and f. switching means for producing relative reciprocating movements between wire in said cutting area and the piece of material to be cut, said switching means including a reversible motor connected to rotatably drive one of said plurality of wire guides, a carriage having pulley means thereon for cooperating with some of said wire guides to define a storage means for wire within said continuous wire path operating to allow reversal of the wire in said cutting area with reversal of said motor, said carriage being mounted for reciprocating travel along a linear path between two of said wire guides positioned in spaced apart relationship, and switch means mounted for operation upon said carriage reaching each end of said linear path and connected to said reversible motor for reversing said reversible motor each time said switch means is operated.
Claim 8
Dependent Claim 222 words
An improved machine for cutting brittle materials comprising: a. continuous wire supply means; b. take-up means for used wire; c. a plurality of wire guides defining a continuous wire path between said wire supply means and said take-up means and Further defining a cutting area; d. material mounting means for rigidly affixing adjacent said cutting area pieces of material to be cut; e. said material mounting means and the wire within said cutting area being further mounted for relative converging and diverging movements; and f. switching means for producing relative reciprocating movements between wire in said cutting area and the piece of material to be cut, said switching means including a reversible motor connected to rotatably drive one of said plurality of wire guides, a carriage having pulley means thereon for cooperating with some of said wire guides to define a storage means for wire within said continuous wire path operating to allow reversal of the wire in said cutting area with reversal of said motor, said carriage being mounted for reciprocating travel along a linear path between two of said wire guides positioned in spaced apart relationship, and switch means mounted for operation upon said carriage reaching each end of said linear path and connected to said reversible motor for reversing said reversible motor each time said switch means is operated.
Claim 9
Dependent Claim 141 words
An improved machine for cutting brittle materials comprising: a. continuous wire supply means; b. take-up means for used wire; c. a plurality of wire guides defining a continuous wire path between said wire supply means and said take-up means and further defining a cutting area; d. material mounting means for rigidly affixing adjacent said cutting area pieces of material to be cut; e. said material mounting means and the wire within said cutting area being further mounted for relative converging and diverging movements; and f. linear wire storage means positioned in said continuous wire path with at least a portion thereof being mounted for reciprocating travel along a linear path to provide reversible linear movement of the wire within said storage means for producing relative reciprocating movements between wire in said cutting area and the piece of material to be cut.
Claim 10
Dependent Claim 141 words
An improved machine for cutting brittle materials comprising: a. continuous wire supply means; b. take-up means for used wire; c. a plurality of wire guides defining a continuous wire path between said wire supply means and said take-up means and further defining a cutting area; d. material mounting means for rigidly affixing adjacent said cutting area pieces of material to be cut; e. said material mounting means and the wire within said cutting area being further mounted for relative converging and diverging movements; and f. linear wire storage means positioned in said continuous wire path with at least a portion thereof being mounted for reciprocating travel along a linear path to provide reversible linear movement of the wire within said storage means for producing relative reciprocating movements between wire in said cutting area and the piece of material to be cut.

References Cited (Backward Citations)

GB717874A Cited
US3155087A Cited
US3435815A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-07-22 1978-01-21 1978-07-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-07-22 1982-01-21 1982-07-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-07-22 1986-01-21 1986-07-23 $7700.00 Window Closed / Lapsed

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