US3731879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spraying beam for pest control means suspended from a vehicle
Assignee: HJ HOEGEN DIJKHOF GmbH
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Filing: 1971-07-07
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Granted: 1973-05-08
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Expires: 1991-07-07
Abstract
Abstract In a spraying beam for pest control means suspended from a vehicle, it is known to mount the spraying beam to the vehicle by a rigid coupling. It is also known to freely suspend the beam from the vehicle to swing about an axis into the horizontal position, relative to the ground surface, so that its centre of gravity always settles vertically below said axis. In the present invention, the beam is suspended from a vehicle to swing about an axis lying in the direction of travel of the vehicle, the beam including a device by which the position of its centre of gravity can be displaced through the suspension axis. The device may comprise one or more trimming weights or an apparatus to displace the geometric suspension axis of the beam. Alternatively, the device may take the form of control signal emitters which act in response to the pivoting angle of one of the signal emitters relative to the spraying beam.
Inventors
- 👤 Dijkhof H Hoegen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:26
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/005; A01M7/0053
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
64 words
A spraying apparatus comprising a spraying beam suspended froM a vehicle about an axis disposed above the center of gravity and in the direction of travel of the vehicle, and means for laterally displacing the center of gravity of said beam from a vertical plane passing through the suspension axis, said means comprising at least one trimming weight displaceable longitudinally along the spraying beam.
Claim 2
Dependent Claim
64 words
A spraying apparatus comprising a spraying beam suspended froM a vehicle about an axis disposed above the center of gravity and in the direction of travel of the vehicle, and means for laterally displacing the center of gravity of said beam from a vertical plane passing through the suspension axis, said means comprising at least one trimming weight displaceable longitudinally along the spraying beam.
Claim 3
Dependent Claim
16 words
A spraying beam according to claim 1, comprising a flexible connector for displacing the trimming weight.
Claim 4
Dependent Claim
22 words
A spraying beam according to claim 2, in which the flexible connection is led into the vicinity of the vehicle driver''s seat.
Claim 5
Dependent Claim
27 words
A spraying beam according to claim 2, in which the flexible connection is trained around a pulley mounted on the spraying beam and drivable in either direction.
Claim 6
Dependent Claim
20 words
A spraying beam according to claim 4, in which a reversible electrical drive is in driving relation with the pulley.
Claim 7
Dependent Claim
49 words
A spraying beam according to claim 1, in which said means comprises an apparatus for laterally displacing the geometrical suspension axis of the spraying beam on the latter, whereby the center of gravity of the spraying beam can be displaced from a vertical plane passing through the suspension axis.
Claim 8
Dependent Claim
42 words
A spraying beam according to claim 6, in which the spraying beam is suspended at the suspension axis by means of a suspension arm laterally pivotally hinged to the beam about an axis lying in the direction of travel of the vehicle.
Claim 9
Dependent Claim
26 words
A spraying beam according to claim 7, in which the pivotable axis of the suspension arm lies in the center of gravity of the spraying beam.
Claim 10
Dependent Claim
29 words
A spraying beam according to claim 6, in which a spindle drive drive mounted on the spraying beam is provided for the lateral displacement of the geometric suspension axis.
Claim 11
Dependent Claim
20 words
A spraying beam according to claim 9, in which a reversible electric drive is provided for driving the spindle drive.
Claim 12
Dependent Claim
24 words
A spraying beam according to claim 10, in which control signal emitters for the drive are arranged in the vicinity of the driver''s seat.
Claim 13
Dependent Claim
35 words
A spraying beam according to claim 10, in which the control signal emitters are automatically actuated by the relative inclination of an upright axis of the vehicle or vehicle body relative to a vertical plane.
Claim 14
Dependent Claim
38 words
A spraying beam according to claim 12, in which one of the control signal emitters is connected with the spraying beam to pivot through the same angle relative to the upright axis of the vehicle or vehicle body.
Claim 15
Dependent Claim
49 words
A spraying beam according to claim 12, in which one of the control signal emitters is so connected with the spraying beam, the pivotal angle of said signal emitter relative to the upright axis being greater than the pivotal angle of the spraying beam relative to said upright axis.
Claim 16
Dependent Claim
28 words
A spraying beam according to claim 14, in which the difference between the pivotal angle of one of the signal emitters and the spraying beam are selectively adjustable.
Claim 17
Dependent Claim
26 words
A spraying beam according to claim 11, in which the control signal emitters are actuated by ground sensors provided at the ends of the spraying beam.
Claim 18
Dependent Claim
27 words
A spraying beam according to claim 12, in which the movement of the movable control signal emitter is linearly damped and is produced by an elastic member.
Claim 19
Dependent Claim
27 words
A spraying beam according to claim 6 wherein a hydraulic piston drive is mounted on the spraying beam for effecting lateral displacement of the geometric suspension axis.
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) | 1976-05-07 | 1976-11-06 | 1977-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-07 | 1980-11-06 | 1981-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-07 | 1984-11-06 | 1985-05-08 | $7700.00 | Window Closed / Lapsed |