Load handling vehicle monitoring system
First Claim
1. An electric monitoring system for use in association with a load handling vehicle to record the pattern of vehicle usage, comprising:
- first transducer means for detecting the presence of a load applied to the vehicle;
second transducer means for detecting motion of the vehicle,supply circuit means including an on-off switch operable to activate the monitoring system, said supply circuit means including a first timer responsive to operation of the on-off switch for timing the activation of the monitoring system;
timer means including a plurality of further timers each assigned to record the duration of a selected mode of vehicle usage; and
selective gating means interconnecting said further timers with said supply circuit means, the selective gating means being operable by the first and second transducer means for selectively activating the timers in accordance with the respective conditions of the transducer means, thereby to record the durations of said selected modes of vehicle usage.
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Accused Products
Abstract
A monitoring system for a fork lift truck or other load handling vehicle comprises a plurality of transducers each assigned to detect a particular condition of vehicle usage; means for deriving from the transducers a plurality of binary signals each representative of the condition detected by a respective one of said transducers; and binary processing means including means for selectively gating the binary signals thereby to produce a plurality of sets of data each corresponding to a mode of vehicle usage represented by a respective combination of said signals. The sets of data are accumulated thereby to derive a count representative of the duration of each said mode of vehicle usage. The data read-out may be transmitted to a remove receive over an optical link.
71 Citations
13 Claims
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1. An electric monitoring system for use in association with a load handling vehicle to record the pattern of vehicle usage, comprising:
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first transducer means for detecting the presence of a load applied to the vehicle; second transducer means for detecting motion of the vehicle, supply circuit means including an on-off switch operable to activate the monitoring system, said supply circuit means including a first timer responsive to operation of the on-off switch for timing the activation of the monitoring system; timer means including a plurality of further timers each assigned to record the duration of a selected mode of vehicle usage; and selective gating means interconnecting said further timers with said supply circuit means, the selective gating means being operable by the first and second transducer means for selectively activating the timers in accordance with the respective conditions of the transducer means, thereby to record the durations of said selected modes of vehicle usage. - View Dependent Claims (2, 3, 4, 5, 7, 8)
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6. In combination with a load handling vehicle having a load carrier, an electric monitoring system for recording the pattern of vehicle usage comprising
supply circuit means including an on-off switch operable to activate the monitoring system; -
timer means responsive to operation of the on-off switch for timing the activation of the monitoring system; a plurality of transducers each assigned to detect a particular condition of vehicle usage, namely a first transducer responsive to the presence of a load applied to the load carrier for producing a first signal in accordance therewith, and a second transducer responsive to motion of the vehicle for producing a second signal in accordance therewith; means for deriving from the transducers a plurality of binary signals each representative of the condition detected by a respective one of said transducers; binary processing means including means for selectively gating said binary signals thereby to produce a plurality of sets of data each corresponding to a mode of vehicle usage represented by a respective combination of said signals; means for accumulating said sets of data thereby to derive a count representative of the duration of each said mode of vehicle usage; output register means for storing said counts; read-out means coupled to said output register means; and control means for initiating downloading of the output register means to the read-out means. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification