US3714997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weighing device
Assignee: Flintab AB
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Filing: 1971-09-16
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Granted: 1973-02-06
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Expires: 1991-09-16
Abstract
Abstract A weighing device comprising a frame extending between and supported by a pair of rails for movement therewith, a load supporting platform adapted to engage the wheels of a railway guided vehicle and a plurality of load sensing means supporting the platform on the frame.
Inventors
- 👤 N Ahl
- 👤 L Larsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:07
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/02; G01G19/04; G01G19/045; G01G19/047
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
156 words
A system for weighing railway guided vehicles and including; spaced apart rail means adapted to cooperate with and support the wheels of a railway vehicle, a pair of rigid frame means extending transversely of said rail means, said frame means including supporting means at either transverse end thereof supporting said frame means solely on said rail means at points spaced from the vehicle engaging surfaces of said rail means, said supporting means cooperating wIth said rail means to permit each of said frame means to move with its associated rail means, and load sensing means supported on said frame means adjacent to said rail means, said load sensing means including vehicle supporting means extending longitudinally of said rail means and engagable with the vehicle to support said vehicle and signal generating means for delivering a signal indicative of the load of said vehicle, said signal generating means supporting said vehicle supporting means on said frame means.
Claim 2
Independent Claim
156 words
A system for weighing railway guided vehicles and including; spaced apart rail means adapted to cooperate with and support the wheels of a railway vehicle, a pair of rigid frame means extending transversely of said rail means, said frame means including supporting means at either transverse end thereof supporting said frame means solely on said rail means at points spaced from the vehicle engaging surfaces of said rail means, said supporting means cooperating wIth said rail means to permit each of said frame means to move with its associated rail means, and load sensing means supported on said frame means adjacent to said rail means, said load sensing means including vehicle supporting means extending longitudinally of said rail means and engagable with the vehicle to support said vehicle and signal generating means for delivering a signal indicative of the load of said vehicle, said signal generating means supporting said vehicle supporting means on said frame means.
Claim 3
Independent Claim
156 words
A system for weighing railway guided vehicles and including; spaced apart rail means adapted to cooperate with and support the wheels of a railway vehicle, a pair of rigid frame means extending transversely of said rail means, said frame means including supporting means at either transverse end thereof supporting said frame means solely on said rail means at points spaced from the vehicle engaging surfaces of said rail means, said supporting means cooperating wIth said rail means to permit each of said frame means to move with its associated rail means, and load sensing means supported on said frame means adjacent to said rail means, said load sensing means including vehicle supporting means extending longitudinally of said rail means and engagable with the vehicle to support said vehicle and signal generating means for delivering a signal indicative of the load of said vehicle, said signal generating means supporting said vehicle supporting means on said frame means.
Claim 4
Independent Claim
156 words
A system for weighing railway guided vehicles and including; spaced apart rail means adapted to cooperate with and support the wheels of a railway vehicle, a pair of rigid frame means extending transversely of said rail means, said frame means including supporting means at either transverse end thereof supporting said frame means solely on said rail means at points spaced from the vehicle engaging surfaces of said rail means, said supporting means cooperating wIth said rail means to permit each of said frame means to move with its associated rail means, and load sensing means supported on said frame means adjacent to said rail means, said load sensing means including vehicle supporting means extending longitudinally of said rail means and engagable with the vehicle to support said vehicle and signal generating means for delivering a signal indicative of the load of said vehicle, said signal generating means supporting said vehicle supporting means on said frame means.
Claim 5
Dependent Claim
21 words
The system of claim 1 wherein said vehicle supporting means include roller means for engaging a cam surface on the vehicle.
Claim 6
Dependent Claim
36 words
The system of claim 1 wherein said frame means includes roller means supported thereon, said roller means being selectively engageable with said rail means for supporting said frame means for rolling movement along said rail means.
Claim 7
Dependent Claim
75 words
The system of claim 1 wherein said supporting means comprises support rails on the interior of said rail means, said support rails having portions thereof resting on the foot of said rail means for rigid support thereof, said support rails further including support surfaces thereon, said frame means being supported on said support surfaces with said frame means cooperating with said support rails to maintain said support rails against the interior of said rail means.
Claim 8
Dependent Claim
37 words
The system of claim 1 wherein said supporting means comprises end portions on said frame means resting on the foot of said rail means and engaging said rail means to restrain transverse movement of said frame means.
Claim 9
Dependent Claim
30 words
The system of claim 1 and further including means cooperating with said frame means for selectively shifting said vehicle engaging means between a vehicle supporting position and an inoperative position.
Claim 10
Dependent Claim
44 words
The system of claim 1 wherein said vehicle supporting means comprises a pair of beams extending generally parallel to said rail means, and connecting means extending between said pair of beams, said connecting means being operative to permit relative vertical movement of said beams.
Claim 11
Dependent Claim
18 words
The system of claim 1 wherein said load sensing means are shear sensing bending beam type load cells.
Claim 12
Dependent Claim
94 words
The system of claim 1 wherein said vehicle supporting means engagable with the vehicle comprises a pair of wheel engaging platforms with one of said platforms being adjacent one of said rail means and the other of said platforms being adjacent the other of said rail means, said means for delivering a signal comprising a plurality of load sensing devices with a pair of load sensing devices supporting one of said platforms on said frame means and another pair of load sensing devices supporting the other of said platform means on said frame means.
Claim 13
Dependent Claim
51 words
The system of claim 9 wherein said load sensing devices are shear sensing bending beam type load cells with each of said load cells being supported at one end thereof on said frame means; the other end of each of said load cells being operatively connected to one of said platforms.
Claim 14
Dependent Claim
31 words
The system of claim 1 wherein said vehicle engaging means comprises a loading platform with portions of said loading platform being positioned to be engaged by the wheels of the vehicle.
Claim 15
Dependent Claim
29 words
The system of claim 11 wherein said rail means include a recess in the vehicle engaging surface with said portions of said loading platform being positioned in said recess.
Claim 16
Dependent Claim
22 words
The system of claim 11 wherein said portions of said loading platform extend above the vehicle engaging surface of said rail means.
Claim 17
Dependent Claim
19 words
The system of claim 4 wherein said portions of said loading platform are positioned outside of said rail means.
Claim 18
Dependent Claim
131 words
A weighing device for weighing of railway guided vehicles comprising; frame means adapted to extend between the rails and including means for supporting said frame means solely on the rails at points spaced from the vehicle engaging surfaces of the rails, load receiving platform means comprising a pair of Longitudinally extending spaced apart beams adapted to engage and support the vehicle to be weighed, connecting means extending between said beams with said connecting means being operative to permit relative vertical movement of the ends of each beam, and a plurality of load sensing means supported on said frame means and operative to produce a signal indicative of the magnitude of an applied load, said load sensing means cooperating with said platform means to support said platform means on said frame means.
Claim 19
Dependent Claim
131 words
A weighing device for weighing of railway guided vehicles comprising; frame means adapted to extend between the rails and including means for supporting said frame means solely on the rails at points spaced from the vehicle engaging surfaces of the rails, load receiving platform means comprising a pair of Longitudinally extending spaced apart beams adapted to engage and support the vehicle to be weighed, connecting means extending between said beams with said connecting means being operative to permit relative vertical movement of the ends of each beam, and a plurality of load sensing means supported on said frame means and operative to produce a signal indicative of the magnitude of an applied load, said load sensing means cooperating with said platform means to support said platform means on said frame means.
Claim 20
Dependent Claim
33 words
The weighing device of claim 15 wherein said means for supporting said frame means comprises a pair of support rails each having a surface adapted to rest on the foot of said rails.
Claim 21
Dependent Claim
35 words
The weighing device of claim 15 wherein said means for supporting said frame means comprises end portions on said frame means having a configuration adapted to engage and rest on the foot of the rails.
Claim 22
Dependent Claim
26 words
The weighing device of claim 15 and further including means for selectively shifting said platform means between an operative vehicle engaging position and an inoperative position.
Claim 23
Dependent Claim
35 words
The weighing device of claim 15 and further including roller means supported on said frame means, said roller means being adapted to engage the rails and support said device for rolling movement along the rails.
Claim 24
Dependent Claim
158 words
The weighing device of claim 15 wherein said frame means comprises a pair of spaced apart beams and said load receiving platform means comprises a pair of wheel engaging platforms with one of said wheel engaging platforms being adjacent one of the rails and the other of said wheel engaging platforms being adjacent the other of the rails, said load sensing means comprising a plurality of signal generating devices with a pair of signal generating devices carried by one of said frame beams and another pair of signal generating devices being carried by the other of said frame beams, each of said wheel engaging platforms being supported by signal generating devices on each of said frame beams, whereby each of said frame beams is free to follow the movement of the rail on which it is supported and said wheel engaging platforms can flexibly adapt themselves relative to position and height changes of either of said frame beams.
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) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |