Apparatus for planting seed in seed germinating tray

Details Apparatus for planting seed in seed germinating tray Apparatus for planting seed in seed germinating tray

1984-07-19

1986-12-09

Hafer, Robert A.

Plant husbandry

Algae culture

221211, 221278, A01C 0000, A01G 0000, B23Q 704, B65G 5900

Patent

active

046271902

ABSTRACT:
A seed planter (10) is disclosed which plants seed, one row at a time, into a plant seedling tray. A seed-receiving depression is formed in the tray by a punch (80). A seed pickup bar (18) reciprocates between a seed hopper (14) and a top seed receiving bar (19) where seed is dispensed into an aperture (20) where the seed is conveyed to the tray. The seed hopper (14) is vibrated by a motor (85) to keep the seed evenly dispersed. Seed is held on seed-receiving nozzles 21 by a vacuum pressure until discharged, when positive pressure is delivered through the nozzles (21). An entry trigger (63) and an exit trigger (64) push each tray from the entry end of the seed planter (10) through the exit end one row of compartments at a time. The seed pickup bar (18), entry triggers (63) and exit triggers (64) and punch (80) are driven by the rotation of drive motor (30). Provision is made to accommodate different sized trays. Also, microswitches (102, 103) are provided which sense the presence of a tray in seed planter (10) and permit dispensing of seed only when the tray is in seed-receiving position.

REFERENCES:
patent: 2546838 (1951-03-01), Tasche
patent: 2771709 (1956-11-01), Ritter
patent: 2884022 (1959-04-01), Geary
patent: 3627173 (1971-12-01), Kerker
patent: 3738530 (1973-06-01), Fine et al.
patent: 4036126 (1977-07-01), Gundersen
patent: 4106414 (1978-08-01), Vastag
patent: 4251011 (1981-02-01), Hamilton et al.
patent: 4411205 (1983-10-01), Rogers
patent: 4454829 (1984-06-01), Sena
patent: 4480765 (1984-11-01), Tonus

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