Patent US3977587A successfully refreshed from Google Patents.
US3977587A
Expired / Lapsed
US
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Conveyor feed mechanism
Assignee: Diamond Die and Mold Co
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Filing: 1975-03-28
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Granted: 1976-08-31
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Expires: 1995-03-28
Abstract
Abstract Feed mechanism for a continuous strip having a series of uniformly spaced holes in which an endless conveyor having a multiplicity of laterally projecting pins is adapted to engage one side of the strip with a plurality of pins extending simultaneously into a corresponding plurality of holes, together with means for driving the conveyor so as to advance the continuous strip.
Inventors
- 👤 Joseph W. Baldyga
- 👤 Thomas M. Cairns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:23
CPC Classifications
B; B65; B65H; B65H20/00; B65H20/20
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
172 words
Feed apparatus for feeding terminal stock to an applicator, in which the terminal stock is in the form of a continuous metal strip having uniformly spaced terminal forming portions extending laterally from the strip and having uniformly spaced openings coordinated with the spacing between terminal forming portions, stock feed means comprising an endless conveyor in the form of a chain made up of a succession of pivotally interconnected links, said chain having a straight portion adapted to extend along the continuous strip, pins extending through and projecting beyond both sides of the links and rigidly fixed to said links and forming a first series of rigid projections at one side of said chain spaced thereon and dimensioned to enter the openings in the strip and a second series of rigid projections at the opposite side of said chain, and feed means engageable with the projections of said second series for advancing said chain step-by-step in increments equal to the spacing between the openings in the strip and between successive terminal forming portions.
Claim 2
Dependent Claim
172 words
Feed apparatus for feeding terminal stock to an applicator, in which the terminal stock is in the form of a continuous metal strip having uniformly spaced terminal forming portions extending laterally from the strip and having uniformly spaced openings coordinated with the spacing between terminal forming portions, stock feed means comprising an endless conveyor in the form of a chain made up of a succession of pivotally interconnected links, said chain having a straight portion adapted to extend along the continuous strip, pins extending through and projecting beyond both sides of the links and rigidly fixed to said links and forming a first series of rigid projections at one side of said chain spaced thereon and dimensioned to enter the openings in the strip and a second series of rigid projections at the opposite side of said chain, and feed means engageable with the projections of said second series for advancing said chain step-by-step in increments equal to the spacing between the openings in the strip and between successive terminal forming portions.
Claim 3
Dependent Claim
219 words
Feed apparatus for feeding terminal stock to an applicator, in which the terminal stock is in the form of a continuous metal strip having uniformly spaced terminal forming portions extending laterally from the strip and having uniformly spaced openings coordinated with the spacing between terminal forming portions, stock feed means comprising an endless conveyor having a straight portion adapted to extend along the continuous strip, a first series of projections on said conveyor spaced thereon and dimensioned to enter the openings in the strip, and feed means for advancing said conveyor step-by-step in increments equal to the spacing between the openings in the strip and between successive terminal forming portions, said conveyor having a second series of equally spaced projections on the side opposite said first series, said feed means comprising a movable feed member having a feed portion engageable with the projections of said second series, means yieldably urging said feed portion into engagement with the side of said conveyor having said second series of projections thereon, means for reciprocating said feed member longitudinally of the straight portion of said conveyor in feed and return strokes, said feed portion being shaped to slide over a projection of said second series on the return stroke thereof but to engage a projection in feeding relation on the feed stroke thereof.
Claim 4
Dependent Claim
219 words
Feed apparatus for feeding terminal stock to an applicator, in which the terminal stock is in the form of a continuous metal strip having uniformly spaced terminal forming portions extending laterally from the strip and having uniformly spaced openings coordinated with the spacing between terminal forming portions, stock feed means comprising an endless conveyor having a straight portion adapted to extend along the continuous strip, a first series of projections on said conveyor spaced thereon and dimensioned to enter the openings in the strip, and feed means for advancing said conveyor step-by-step in increments equal to the spacing between the openings in the strip and between successive terminal forming portions, said conveyor having a second series of equally spaced projections on the side opposite said first series, said feed means comprising a movable feed member having a feed portion engageable with the projections of said second series, means yieldably urging said feed portion into engagement with the side of said conveyor having said second series of projections thereon, means for reciprocating said feed member longitudinally of the straight portion of said conveyor in feed and return strokes, said feed portion being shaped to slide over a projection of said second series on the return stroke thereof but to engage a projection in feeding relation on the feed stroke thereof.
Claim 5
Dependent Claim
37 words
Apparatus as defined in claim 2 in which said feed means comprises a reciprocable feed carriage, and said feed member comprises a lever pivoted to said carriage and having a free end constituting said feed portion thereof.
Claim 6
Dependent Claim
238 words
Feed apparatus for feeding terminal stock to an applicator, in which the terminal stock is in the form of a continuous metal strip having uniformly spaced terminal forming portions extending laterally from the strip and having uniformly spaced openings coordinated with the spacing between terminal forming portions, stock feed means comprising an endless conveyor having a portion adapted to extend along the continuous strip, pins extending through and projecting beyond both sides of said conveyor to form a first series of projections at one side of said conveyor spaced therein and dimensioned to enter the openings in the strip and a second series of projections at the opposite side of said conveyor, feed means engageable with the projections of said second series for advancing said conveyor step-by-step in increments equal to the spacing between the openings in the strip and between successive terminal forming portions, in which the feed means comprises a movable feed member having a feed portion engageable with the projections of said second series, means yieldably urging said feed portion into engagement with the side of said conveyor having said second series of projections thereon, means for reciprocating said feed member longitudinally of a portion of said conveyor in feed and return strokes, said feed portion being shaped to slide over a projection of said second series on the return stroke thereof but to engage a projection in feeding relation on the feed stroke thereof.
Claim 7
Dependent Claim
238 words
Feed apparatus for feeding terminal stock to an applicator, in which the terminal stock is in the form of a continuous metal strip having uniformly spaced terminal forming portions extending laterally from the strip and having uniformly spaced openings coordinated with the spacing between terminal forming portions, stock feed means comprising an endless conveyor having a portion adapted to extend along the continuous strip, pins extending through and projecting beyond both sides of said conveyor to form a first series of projections at one side of said conveyor spaced therein and dimensioned to enter the openings in the strip and a second series of projections at the opposite side of said conveyor, feed means engageable with the projections of said second series for advancing said conveyor step-by-step in increments equal to the spacing between the openings in the strip and between successive terminal forming portions, in which the feed means comprises a movable feed member having a feed portion engageable with the projections of said second series, means yieldably urging said feed portion into engagement with the side of said conveyor having said second series of projections thereon, means for reciprocating said feed member longitudinally of a portion of said conveyor in feed and return strokes, said feed portion being shaped to slide over a projection of said second series on the return stroke thereof but to engage a projection in feeding relation on the feed stroke thereof.
Claim 8
Dependent Claim
37 words
Apparatus as defined in claim 4 in which said feed means comprises a reciprocable feed carriage, and said feed member comprises a lever pivoted to said carriage and having a free end constituting said feed portion thereof.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-31 | 1980-03-01 | 1980-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-31 | 1984-03-01 | 1984-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-31 | 1988-03-01 | 1988-08-31 | $7700.00 | Window Closed / Lapsed |