Supplemental walk along control for walkie/rider pallet trucks

The present invention relates in general to end controlled walkie/rider pallet trucks commonly used for picking stock in large warehouses and, more particularly, to a supplemental walk along control arrangement for improved operation of such pallet trucks. Supplemental walk along control for walkie/...

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Main Authors Trego, Allen T, Koeper, John I, Henshaw, Robert J
Format Patent
LanguageEnglish
Published 22.07.2003
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Abstract The present invention relates in general to end controlled walkie/rider pallet trucks commonly used for picking stock in large warehouses and, more particularly, to a supplemental walk along control arrangement for improved operation of such pallet trucks. Supplemental walk along control for walkie/rider pallet trucks is provided by supplemental jog switches and coast release switches provided adjacent to the base of load carrying forks. The supplemental jog switches are enabled during coasting operation so that operators can advance to the base of the forks to accelerate the trucks between closely spaced picks located along substantially straight portions of pick routes. For application of the trucks' brakes, the operators activate the coast release switches to release the coast mode and enable deadman brake mechanisms to brake the trucks. A steering direction detector is provided to determine the direction of the steered wheel so that if the steered wheel is not directed substantially straight ahead, then operation of the truck from the supplemental jog switches is disabled.
AbstractList The present invention relates in general to end controlled walkie/rider pallet trucks commonly used for picking stock in large warehouses and, more particularly, to a supplemental walk along control arrangement for improved operation of such pallet trucks. Supplemental walk along control for walkie/rider pallet trucks is provided by supplemental jog switches and coast release switches provided adjacent to the base of load carrying forks. The supplemental jog switches are enabled during coasting operation so that operators can advance to the base of the forks to accelerate the trucks between closely spaced picks located along substantially straight portions of pick routes. For application of the trucks' brakes, the operators activate the coast release switches to release the coast mode and enable deadman brake mechanisms to brake the trucks. A steering direction detector is provided to determine the direction of the steered wheel so that if the steered wheel is not directed substantially straight ahead, then operation of the truck from the supplemental jog switches is disabled.
Author Trego, Allen T
Koeper, John I
Henshaw, Robert J
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References Gilliland et al. (5595259) 19970100
Noller et al. (4336860) 19820600
Chasar (2804174) 19570800
Crown Low Level Order Picker Series GPC 2000 Specifications; Jan., 2000; VFS-GPC-04-GB; Crown Gabelstapler GmbH; Roding Germany.
Hoyt (4043472) 19770800
Butler (4716980) 19880100
Bartels et al. (5890562) 19990400
Lohmann (6382359) 20020500
Stammen et al. (3791474) 19740200
Howell (4993509) 19910200
Nilsson et al. (3933224) 19760100
Stammen (5245144) 19930900
Guy (5964313) 19991000
Frees (4287966) 19810900
Koeper et al. (6464025) 20021000
Shieman et al. (3876024) 19750400
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Snippet The present invention relates in general to end controlled walkie/rider pallet trucks commonly used for picking stock in large warehouses and, more...
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Title Supplemental walk along control for walkie/rider pallet trucks
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