|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||180/332 ; 180/019.1|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 114 인용 특허 : 5|
The present invention is directed to an improved motion control system for a motorized hand/rider lift truck having a load bearing fork, electric traction motor, storage battery, steerable wheel, steering control mechanism, and a brake that includes a deadman brake mechanism. An electrical power circuit comprises a high speed control circuit and a low speed control circuit that control, respectively, a high speed travel mode and a low speed travel mode of the truck. The improved motion control system of the invention further comprises means for selecting...
[ I claim:] [1.] In a motorized hand/rider lift truck comprising a load-bearing fork, an electric traction motor, a storage battery, a steerable wheel, a steering control mechanism, and a brake comprising a deadman brake mechanism, an improved motion control system comprising:an electrical power circuit comprising a high speed control circuit and a low speed control circuit, said control circuits controlling, respectively, a high speed travel mode wherein the truck is operable within a first range of speeds and a low speed travel mode wherein the truck i...