US4016535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tilt alarm for tractor vehicle or the like
Assignee: Sheller-Globe Corp
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Filing: 1975-12-15
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Granted: 1977-04-05
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Expires: 1995-12-15
Abstract
Abstract In a tractor like vehicle a new tilt alarm device which operates to warn the vehicle operator when the vehicle becomes tilted beyond a predetermined desired angle of warning.
Inventors
- 👤 Robert I. Dinlocker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:02
CPC Classifications
G; G08; G08B; G08B21/00; G08B21/18; G08B21/182; B; B62; B62D; B62D49/00; B62D49/08; H; H01; H01H; H01H35/00; H01H35/02; H01H35/022
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
234 words
In a tractor like vehicle, suitable for use on lawns, gardens and the like, and including motive means for driving the tractor like vehicle by a person operating same, the improvement comprising a special tilt alarm means for warning the operator when the vehicle is tilted in any direction beyond a predetermined desired angle of warning, said tilt alarm means including, mounting and housing means for supporting the tilt alarm on the vehicle, a swinging pendulum magnet means operative in generally any direction, upon swinging a predetermined amount away from its normal disposition, to cause actuation of the tilt alarm, viscous damping fluid means, around said swinging means, for damping the movement of the swinging means to guard against premature actuation, said fluid means being non-mercury, warning indicator means for providing a warning to said operator upon said actuation caused by the swinging means, electrical circuit means for operatively interconnecting the swinging means and the warning indicator means to enable actuation of said indicator means when said swinging means swings said predetermined amount away from its normal disposition, said circuit means including a reed switch means generally oriented vertically such that the longitudinal axis of the reed switch and the swinging means are generally in line with one another, said reed switch means being activated when said swinging means swings said predetermined amount away from its normal disposition to thereby actuate said indicator means.
Claim 2
Dependent Claim
234 words
In a tractor like vehicle, suitable for use on lawns, gardens and the like, and including motive means for driving the tractor like vehicle by a person operating same, the improvement comprising a special tilt alarm means for warning the operator when the vehicle is tilted in any direction beyond a predetermined desired angle of warning, said tilt alarm means including, mounting and housing means for supporting the tilt alarm on the vehicle, a swinging pendulum magnet means operative in generally any direction, upon swinging a predetermined amount away from its normal disposition, to cause actuation of the tilt alarm, viscous damping fluid means, around said swinging means, for damping the movement of the swinging means to guard against premature actuation, said fluid means being non-mercury, warning indicator means for providing a warning to said operator upon said actuation caused by the swinging means, electrical circuit means for operatively interconnecting the swinging means and the warning indicator means to enable actuation of said indicator means when said swinging means swings said predetermined amount away from its normal disposition, said circuit means including a reed switch means generally oriented vertically such that the longitudinal axis of the reed switch and the swinging means are generally in line with one another, said reed switch means being activated when said swinging means swings said predetermined amount away from its normal disposition to thereby actuate said indicator means.
Claim 3
Dependent Claim
20 words
The invention of claim 1 wherein, said actuation occurs when the vehicle becomes tilted from horizontal more than about 20°.
Claim 4
Dependent Claim
24 words
The invention of claim 2 wherein, said electrical circuit means is powered by a direct current source, and said indicator means is a horn.
Claim 5
Dependent Claim
37 words
The invention of claim 3 wherein, said circuit means also includes an SCR transistor means, of the silicon controlled rectifier type, operative to compensate for any overloading of the circuit means within the reed switch portion thereof.
Claim 6
Dependent Claim
20 words
The invention of claim 1 wherein, said actuation occurs when the vehicle becomes tilted from horizontal more than about 20°-30°.
Claim 7
Dependent Claim
43 words
The invention of claim 4 wherein, a feed wire for the electrical circuit means is connected to a coil side of an ignition switch on the vehicle so that the tilt alarm is automatically turned off when the ignition switch is turned off.
Claim 8
Dependent Claim
205 words
In a tractor like vehicle, suitable for use on lawns, gardens and the like, and including motive means for driving the tractor like vehicle by a person operating same, the improvement comprising a special tilt alarm means for warning the operator when the vehicle is tilted in any direction beyond a predetermined desired angle of warning, said tilt alarm means including, mounting and housing means for supporting the tilt alarm on the vehicle, a swinging pendulum means operative in generally any direction, upon swinging a predetermined amount away from its normal disposition, to cause actuation of the tilt alarm, viscous fluid damping means, around said swinging means, for damping the movement of the swinging means to guard against premature actuation, warning indicator means for providing a warning to said operator upon said actuation caused by the swinging means, electrical circuit means for operatively interconnecting the swinging means and the warning indicator means to enable actuation of said indicator means when said swinging means swings said predetermined amount away from its normal disposition, said circuit means including a reed switch means, said reed switch means being activated when said swinging means swings said predetermined amount away from its normal disposition to thereby actuate said indicator means.
Claim 9
Dependent Claim
205 words
In a tractor like vehicle, suitable for use on lawns, gardens and the like, and including motive means for driving the tractor like vehicle by a person operating same, the improvement comprising a special tilt alarm means for warning the operator when the vehicle is tilted in any direction beyond a predetermined desired angle of warning, said tilt alarm means including, mounting and housing means for supporting the tilt alarm on the vehicle, a swinging pendulum means operative in generally any direction, upon swinging a predetermined amount away from its normal disposition, to cause actuation of the tilt alarm, viscous fluid damping means, around said swinging means, for damping the movement of the swinging means to guard against premature actuation, warning indicator means for providing a warning to said operator upon said actuation caused by the swinging means, electrical circuit means for operatively interconnecting the swinging means and the warning indicator means to enable actuation of said indicator means when said swinging means swings said predetermined amount away from its normal disposition, said circuit means including a reed switch means, said reed switch means being activated when said swinging means swings said predetermined amount away from its normal disposition to thereby actuate said indicator means.
Claim 10
Dependent Claim
122 words
In a tractor like vehicle, suitable for use on lawns, gardens and the like, and including motive means for driving the tractor like vehicle by a person operating same, the improvement comprising a special tilt alarm means for warning the operator when the vehicle is tilted in any direction beyond a predetermined desired angle of warning, said tilt alarm means including, electrical circuit means for actuating the alarm means and said circuit means comprising, a pendulum supported magnet means supported generally vertically above a reed switch means and operative upon swinging away from alignment with said reed switch means to cause actuation of a horn means which gives warning to the operator that the vehicle is tilted beyond said predetermined desired angle.
Claim 11
Dependent Claim
122 words
In a tractor like vehicle, suitable for use on lawns, gardens and the like, and including motive means for driving the tractor like vehicle by a person operating same, the improvement comprising a special tilt alarm means for warning the operator when the vehicle is tilted in any direction beyond a predetermined desired angle of warning, said tilt alarm means including, electrical circuit means for actuating the alarm means and said circuit means comprising, a pendulum supported magnet means supported generally vertically above a reed switch means and operative upon swinging away from alignment with said reed switch means to cause actuation of a horn means which gives warning to the operator that the vehicle is tilted beyond said predetermined desired angle.
Claim 12
Dependent Claim
37 words
The invention of claim 8 wherein, said circuit means includes an SCR transistor means of the silicon controlled rectifier type operative to compensate for any overloading of the circuit means within the reed switch means portion thereof.
Claim 13
Dependent Claim
20 words
The invention of claim 8 wherein, said actuation occurs when the vehicle becomes tilted from horizontal more than about 20°-30°.
Claim 14
Dependent Claim
20 words
The invention of claim 9 wherein, said actuation occurs when the vehicle becomes tilted from horizontal more than about 20°-30°.
Claim 15
Dependent Claim
43 words
The invention of claim 8 wherein, a feed wire for the electrical circuit means is connected to a coil side of an ignition switch on the vehicle so that the tilt alarm is automatically turned off when the ignition switch is turned off.
Claim 16
Dependent Claim
43 words
The invention of claim 9 wherein, a feed wire for the electrical circuit means is connected to a coil side of an ignition switch on the vehicle so that the tilt alarm is automatically turned off when the ignition switch is turned off.
References Cited (Backward Citations)
US2772411A
Cited
US3548400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-04 | 1980-10-04 | 1981-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-04 | 1984-10-04 | 1985-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-04 | 1988-10-04 | 1989-04-05 | $7700.00 | Window Closed / Lapsed |