US3586238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plant treating apparatus adapted to be carried on a person's back
Assignee: Andreas Stihl AG and Co KG
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Filing: 1969-02-10
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Granted: 1971-06-22
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Expires: 1989-02-10
Abstract
Abstract A portable plant treating apparatus, especially for spraying, dusting, and fog laying, which includes: a plurality of container means arranged adjacent to each other and connected to each other for respectively storing fuel and the plant treating substance to be discharged, fuel driven motor means arranged below said container means and having a crankshaft, blower means drivingly connected to and arranged below said motor means and having its axis of rotation is substantially axial alignment with said crankshaft, discharge conduit means communicating with said blower means and with the container means containing the plant treating substance, and strap-equipped carrier plate means connected to one of said container means for carrying the apparatus on the back of a person.
Inventors
- 👤 Heinz Schmierer
- 👤 Hans Peter Stihl
- 👤 Gerhard Zerrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:10
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/14; B05B7/1404; B05B7/1413; A; A01; A01M; A01M11/00; B05B7/1427; B05B7/24; B05B7/2402; B05B7/2405; B05B7/2424; B05B7/2427; B05B7/2475
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
129 words
A portable plant treating apparatus especially for spraying, dusting, and fog laying, which includes: a plurality of container means arranged adjacent to each other and connected to each other for respectively storing fuel and the plant treating substance to be discharged, fuel driven motor means arranged below said container means and having a crankshaft, blower means drivingly connected to and arranged below said motor means and having its axis of rotation in substantially axial alignment with said crankshaft, discharge conduit means communicating with said blower means and with the container means containing the plant treating substance, strap-equipped carrier plate means connected to one of said container means for carrying the apparatus on the back of a person, and carburetor means located between said motor and said carrier plate means.
Claim 2
Dependent Claim
129 words
A portable plant treating apparatus especially for spraying, dusting, and fog laying, which includes: a plurality of container means arranged adjacent to each other and connected to each other for respectively storing fuel and the plant treating substance to be discharged, fuel driven motor means arranged below said container means and having a crankshaft, blower means drivingly connected to and arranged below said motor means and having its axis of rotation in substantially axial alignment with said crankshaft, discharge conduit means communicating with said blower means and with the container means containing the plant treating substance, strap-equipped carrier plate means connected to one of said container means for carrying the apparatus on the back of a person, and carburetor means located between said motor and said carrier plate means.
Claim 3
Dependent Claim
35 words
An apparatus according to claim 1, in which said motor means includes cylinder means having said carburetor flanged thereto, and in which an air filter is located between said carburetor and said carrier plate means.
Claim 4
Dependent Claim
109 words
A plant protective device adapted to be carried on a back for selective discharge of spray, dust, fog, sprinkling and granulated means, comprising: a back carrier plate and a container combination for fuel and discharge means, a drive motor with a vertically arranged crankshaft having upper and lower ends, a blower means with a discharge passage arranged at said crankshaft lower end and having its axis of rotation in axial aLignment with said crankshaft, a starter arranged at said crankshaft upper end, and a cylinder with an axis of said drive motor adjacent to the discharge passage lying in a horizontal plane approximately parallel to said back carrier plate.
Claim 5
Dependent Claim
109 words
A plant protective device adapted to be carried on a back for selective discharge of spray, dust, fog, sprinkling and granulated means, comprising: a back carrier plate and a container combination for fuel and discharge means, a drive motor with a vertically arranged crankshaft having upper and lower ends, a blower means with a discharge passage arranged at said crankshaft lower end and having its axis of rotation in axial aLignment with said crankshaft, a starter arranged at said crankshaft upper end, and a cylinder with an axis of said drive motor adjacent to the discharge passage lying in a horizontal plane approximately parallel to said back carrier plate.
Claim 6
Dependent Claim
29 words
A device according to claim 3, in which said drive motor with starter, blower means and discharge passage are in a unit releasably connected to said back carrier plate.
Claim 7
Dependent Claim
22 words
A device according to claim 3, in which there is a carburetor arranged between said drive motor and said back carrier plate.
Claim 8
Dependent Claim
34 words
A device according to claim 5, in which said carburetor is mounted directly on said cylinder of said drive motor, and an air filter is secured between said carburetor and said back carrier plate.
Claim 9
Dependent Claim
27 words
A device according to claim 3, in which shoulder strap means are releasably secured at upper ends thereof between said back carrier plate and discharge means container.
Claim 10
Dependent Claim
39 words
A device according to claim 7, in which hexagonal nuts are embedded in wall means of said container for discharge means, and screw bolts are receivable by said nuts for securing said strap means ends and said carrier plate.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |