Patent US3795307A successfully refreshed from Google Patents.
US3795307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Small parts feeder system
Assignee: Individual
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Filing: 1972-11-06
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Granted: 1974-03-05
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Expires: 1992-11-06
Abstract
Abstract A small parts feeder system having a transmission unit and a platform engagement mechanism. The system includes a movable platform upon which a stack of small parts may be placed and a lever-block combination for selectively engaging a rotatable screw which provides the motive force to the platform. The force is transmitted to the screw through a miter gear train.
Inventors
- 👤 A Grant
- 👤 J Toth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:04
CPC Classifications
B; B65; B65G; B65G59/00; B65G59/02; B65G59/026; B07; B07C; B07C5/00; B07C5/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
131 words
A feeder system for moving small parts in a preselected manner comprising in combination: a housing; a parts platform connected to said housing and movable upwardly and downwardly; a power transmission unit including a pair of miter gears, one of which is connected to a source of power and the other of which is connected to an elongated means for rotating, said elongated means connected to said housing; and a platform engagement mechanism connected to said housing including a movable block having a recess for engaging said elongated means, lever means connected to said block and pivotally connected to said housing for moving said block away from engagement with said elongated means and biasing means connected to said housing and block for inducing contact of said block and said elongated means.
Claim 2
Dependent Claim
131 words
A feeder system for moving small parts in a preselected manner comprising in combination: a housing; a parts platform connected to said housing and movable upwardly and downwardly; a power transmission unit including a pair of miter gears, one of which is connected to a source of power and the other of which is connected to an elongated means for rotating, said elongated means connected to said housing; and a platform engagement mechanism connected to said housing including a movable block having a recess for engaging said elongated means, lever means connected to said block and pivotally connected to said housing for moving said block away from engagement with said elongated means and biasing means connected to said housing and block for inducing contact of said block and said elongated means.
Claim 3
Dependent Claim
21 words
A feeder system as claimed in claim 1 wherein said housing includes a guiding surface along which said platform is movable.
Claim 4
Dependent Claim
31 words
A feeder system as claimed in claim 2 wherein said elongated means comprises an elongated screw fixed in said housing in a direction parallel to the longitudinal axis of said screw.
Claim 5
Dependent Claim
22 words
A feeder system as claimed in claim 2 wherein said block recess comprises a screw thread and biasing means comprises a spring.
Claim 6
Dependent Claim
31 words
A feeder system as claimed in claim 4 wherein said elongated means comprises an elongated screw fixed in said housing in a direction parallel to the longitudinal axis of said screw.
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) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |