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US3633634A Expired / Lapsed US ⏱️ 0.0 years remaining

Lead straightening machine

Assignee: SIGMA ENGINEERING SERVICE Inc
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Filing: 1969-04-04
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Granted: 1972-01-11
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Expires: 1989-04-04
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Abstract

Abstract The disclosure describes a straightening machine for lead wires. The machine has concave straightening shoes with complementary shaped straightening rollers supported in closely spaced relation to the concavity of the shoes. The straightening shoes are supported by tension spring which apply a uniform pressure to the bottom of the shoes as the lead wires of the components pass between the rollers and the shoes. A limited travel adjusting screw is disposed in the bottom of the shoes thus providing fine adjustment between the shoes and the rollers. The shoes are made of a dielectric material which will not contaminate the work and is resistant to wear. The straightening surface of the shoes is progressively sloped and this, combined with the variable pressure and clearance adjustment, gives advantages not found in prior machines. No separate means is required for driving the components through the machine since the straightening action also drives the components through the machine. Jamming of the parts in the machine is practically eliminated.

Inventors

  • 👤 Ernest J Bryner
  • 👤 Gard W Wolcott

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 21:42
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/02; H05K13/023; H05K13/024; H05K13/025; H01; H01J; H01J9/00; H01J9/24; H01J9/28

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 318 words
A device for straightened thin deformable end members projecting from the ends of body members of articles of manufacture comprising a frame, a pair of spaced straightening shoes having smooth concave surfaces, means supporting said straightening shoes, said means supporting said shoes comprising a tension spring having one end attached to each said shoe and the other end of each said spring attached to a block on said frame, spaced straightening rollers rotatably supported on said frame, means rotating said rollers, said rollers peripheral surface generally conforming to the said concave surface, an adjustment screw fixed to each said block and engaging each said block whereby the force of said spring on said block and the clearance between said rollers and said shoes may be adjusted, means to feed articles having deformable wirelike end members projecting from their ends, said means comprising a feeding chute, said feeding chute comprising two upper plates spaced form each other and two lower plates spaced from each other and spaced from said upper plates and defining a groove between said upper plates ans said lower plates through which said wirelike end members may pass, a body wheel disposed at the lower end of said upper plates and said lower plates, said upper plate having a lower end with a surface overlying said body wheel, said lower end surface of said upper plates having a radius of curvature substantially equal to the radius of said body wheel, the outer periphery of said body wheel being disposed adjacent the outer periphery of said straightening rollers and between said straightening shoes, spaced notches in the outer periphery of said body wheel adapted to receive the bodies of said articles and to carry said articles from said space between said upper plates and said lower plates to said straightening rolls and to deposit said articles in the space between said straightening rolls and said straightening shoes.
Claim 2
Independent Claim 318 words
A device for straightened thin deformable end members projecting from the ends of body members of articles of manufacture comprising a frame, a pair of spaced straightening shoes having smooth concave surfaces, means supporting said straightening shoes, said means supporting said shoes comprising a tension spring having one end attached to each said shoe and the other end of each said spring attached to a block on said frame, spaced straightening rollers rotatably supported on said frame, means rotating said rollers, said rollers peripheral surface generally conforming to the said concave surface, an adjustment screw fixed to each said block and engaging each said block whereby the force of said spring on said block and the clearance between said rollers and said shoes may be adjusted, means to feed articles having deformable wirelike end members projecting from their ends, said means comprising a feeding chute, said feeding chute comprising two upper plates spaced form each other and two lower plates spaced from each other and spaced from said upper plates and defining a groove between said upper plates ans said lower plates through which said wirelike end members may pass, a body wheel disposed at the lower end of said upper plates and said lower plates, said upper plate having a lower end with a surface overlying said body wheel, said lower end surface of said upper plates having a radius of curvature substantially equal to the radius of said body wheel, the outer periphery of said body wheel being disposed adjacent the outer periphery of said straightening rollers and between said straightening shoes, spaced notches in the outer periphery of said body wheel adapted to receive the bodies of said articles and to carry said articles from said space between said upper plates and said lower plates to said straightening rolls and to deposit said articles in the space between said straightening rolls and said straightening shoes.
Claim 3
Dependent Claim 33 words
The device recited in claim 1 wherein said rollers have a sloping straightening surface made up by each said roller having a smaller diameter at the end remote from the other said roller.
Claim 4
Dependent Claim 15 words
The device recited in claim 1 wherein said shoes are made of a dielectric material.
Claim 5
Dependent Claim 23 words
The device recited in claim 1 wherein said rollers are each made of a cylindrical hub and a sleeve made of dielectric material.
Claim 6
Dependent Claim 34 words
The machine recited in claim 2 wherein said rollers are adjustable axially along their axis of rotation and said shoes are supported on axially extending rods, said shoes are adjustable axially along said rods.
Claim 7
Dependent Claim 22 words
A device as defined in claim 1 wherein the concave surfaces of said shoes encircle said rollers for substantially more than 90*.
Claim 8
Dependent Claim 16 words
A device as defined in claim 1 wherein said shoes are disposed vertically below said rollers.
Claim 9
Independent Claim 228 words
A device for axially straightening elongated articles of the type having a large body portion and thin deformable end members projecting from each end comprising, in combination, a frame, a guiding track mounted thereon, a shaft journaled in said frame and spaced from and parallel to said track, a pair of rollers constituting the only means of moving the articles through the device, means mounting said rollers for angular movement with said shaft and relatively axial adjustment therealong, a shoe mount associated with each roller and movable on said track, a pressure shoe for each shoe mount, means universally mounting each pressure shoe on a respective shoe mount for small rectilinear and angular movements in all directions with respect thereto, said pressure shoe having a concave surface spaced slightly from, and conforming substantially to the curvature of the surface of its associated roller, whereby said shoes and rollers may be adjusted to the length of said body portion and substantially the entire end members may be subjected to straightening action between said rollers and said shoes, a body wheel supported to rotate on an axis disposed parallel to the axis of rotation of said rollers, said body wheel having spaced notches therein, means to feed said articles bodies into said notches, said body wheel having means to rotate to deposit said bodies between said rollers and said shoes.
Claim 10
Independent Claim 228 words
A device for axially straightening elongated articles of the type having a large body portion and thin deformable end members projecting from each end comprising, in combination, a frame, a guiding track mounted thereon, a shaft journaled in said frame and spaced from and parallel to said track, a pair of rollers constituting the only means of moving the articles through the device, means mounting said rollers for angular movement with said shaft and relatively axial adjustment therealong, a shoe mount associated with each roller and movable on said track, a pressure shoe for each shoe mount, means universally mounting each pressure shoe on a respective shoe mount for small rectilinear and angular movements in all directions with respect thereto, said pressure shoe having a concave surface spaced slightly from, and conforming substantially to the curvature of the surface of its associated roller, whereby said shoes and rollers may be adjusted to the length of said body portion and substantially the entire end members may be subjected to straightening action between said rollers and said shoes, a body wheel supported to rotate on an axis disposed parallel to the axis of rotation of said rollers, said body wheel having spaced notches therein, means to feed said articles bodies into said notches, said body wheel having means to rotate to deposit said bodies between said rollers and said shoes.

References Cited (Backward Citations)

US2867262A Cited
US2860686A Cited
US3186447A Cited
US3146805A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-01-10 1975-07-12 1976-01-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-01-10 1979-07-12 1980-01-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-01-10 1983-07-12 1984-01-11 $7700.00 Window Closed / Lapsed

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