US4501183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leadless chip placement machine for printed circuit boards
Assignee: Delaware Capital Formation Inc
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Filing: 1984-04-25
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Granted: 1985-02-26
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Expires: 2004-04-25
Abstract
Abstract A feed assembly is engageable with feed holes spaced along the length of a taped supply of electrical components in order to index the taped components to a pick-up station and aid in transfer of the components from the tape to a turret-type vacuum head at the pick-up station. Cyclical actuation of the feed assembly actuates a cutter for that portion of the tape which has been emptied of the components.
Inventors
- 👤 Weibley J. Dean
- 👤 Charles E. Johnson
- 👤 Phillip A. Ragard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:14
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/04; H05K13/0417; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4516; Y10T83/4518; Y10T83/4521; Y10T83/463; Y10T83/4635; Y10T83/647; Y10T83/658
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
211 words
An apparatus for indexed feeding of a component supply tape having feed holes spaced along the length thereof to position a component of said supply tape for pick-up at a pick-up station, and comprising: a housing; a cam bar reciprocatable within said housing, said cam bar having a key displaceable therein, and a cam surface; a drive means for reciprocating said cam bar in a forward and reverse stroke, upon command; a support block having a key hole for engagement by said key to provide keying of said block to said cam bar during a portion of said forward and reverse stroke such that said block is reciprocated; an upwardly biased lever pivotally supported on said support block and having drive pins for engaging said feed holes and indexing said tape during a portion of said forward stroke; stop means for limiting the forward movement of said block during said forward stroke; roller means attached to said lever and engageable by said cam surface during said forward stroke to cause downward pivoting of said lever for indexing of said tape; dog means for holding said lever in the downward pivoted position during disengagement of said drive pins on said reverse stroke; and sensor means for sensing said forward and reverse stroke.
Claim 2
Independent Claim
211 words
An apparatus for indexed feeding of a component supply tape having feed holes spaced along the length thereof to position a component of said supply tape for pick-up at a pick-up station, and comprising: a housing; a cam bar reciprocatable within said housing, said cam bar having a key displaceable therein, and a cam surface; a drive means for reciprocating said cam bar in a forward and reverse stroke, upon command; a support block having a key hole for engagement by said key to provide keying of said block to said cam bar during a portion of said forward and reverse stroke such that said block is reciprocated; an upwardly biased lever pivotally supported on said support block and having drive pins for engaging said feed holes and indexing said tape during a portion of said forward stroke; stop means for limiting the forward movement of said block during said forward stroke; roller means attached to said lever and engageable by said cam surface during said forward stroke to cause downward pivoting of said lever for indexing of said tape; dog means for holding said lever in the downward pivoted position during disengagement of said drive pins on said reverse stroke; and sensor means for sensing said forward and reverse stroke.
Claim 3
Dependent Claim
26 words
An apparatus as in claim 1, and further comprising: cutter means for cutting said tape during said reverse stroke, said cutter means actuated by said lever.
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) | 1988-02-26 | 1988-08-27 | 1989-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-26 | 1992-08-27 | 1993-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-26 | 1996-08-27 | 1997-02-26 | $7700.00 | Window Closed / Lapsed |