Patent US3847267A successfully refreshed from Google Patents.
US3847267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pickup mechanism
Assignee: Individual
•
Filing: 1973-04-05
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Granted: 1974-11-12
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Expires: 1993-04-05
Abstract
Abstract A pickup mechanism for use with roof tile fabricating machines and the like. The pickup mechanism separates pallets carried on a parallel chain conveyor and individually lifts them off of the conveyor and places them on another such conveyor.
Inventors
- 👤 D Patten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:39
CPC Classifications
B; B28; B28B; B28B5/00; B28B5/02; B28B5/021; B28B5/025; B28B13/00; B28B13/02; B28B13/0215
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
A pickup mechanism for use in roof tile fabricating machines and the like comprising spaced continuous conveyor means across which items are positioned to be transported; support means at opposite sides of the conveyor means; a horizontally disposed axle journaled through said support means; means for turning said axle; a hub centrally secured on said axle; a pair of oppositely extending U-shaped brackets having their webs connected to said hub; a stub shaft carried by the ends of each said bracket; a support rotatably mounted on each said stub shaft; a sprocket means connected to each said support; a pair of sprockets journaled on said axle; a chain trained over each sprocket means on a bearing support and one of said sprockets journaled on the axle; and adjustable means for rotating said sprockets journaled on the axle and for fixing their rotational positions with respect to the support means, said adjustable means comprising an arm fixed to each sprocket journaled on the axle and extending to the adjacent support means, arcuate opening means in each said support means, and bolt means extending through said arcuate opening means and threaded into the arm extending thereto to fix the arm to the support means.
Claim 2
Dependent Claim
202 words
A pickup mechanism for use in roof tile fabricating machines and the like comprising spaced continuous conveyor means across which items are positioned to be transported; support means at opposite sides of the conveyor means; a horizontally disposed axle journaled through said support means; means for turning said axle; a hub centrally secured on said axle; a pair of oppositely extending U-shaped brackets having their webs connected to said hub; a stub shaft carried by the ends of each said bracket; a support rotatably mounted on each said stub shaft; a sprocket means connected to each said support; a pair of sprockets journaled on said axle; a chain trained over each sprocket means on a bearing support and one of said sprockets journaled on the axle; and adjustable means for rotating said sprockets journaled on the axle and for fixing their rotational positions with respect to the support means, said adjustable means comprising an arm fixed to each sprocket journaled on the axle and extending to the adjacent support means, arcuate opening means in each said support means, and bolt means extending through said arcuate opening means and threaded into the arm extending thereto to fix the arm to the support means.
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) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |