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http://patentstorm.us/patents/5992826/description.html ....etc

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to get information about the topic motorised screw jack related topic refer the page link bellow

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i want requirment and details about fabrication of motorized screw jack for vehicles.. ....etc

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screw jack using bevel gear report pdf download

Considering factors such as load, speed, torque and space, there s no debate that bevel gear jack systems offer unique benefits to worm gear jack systems. The system s long-duty cycle capabilities and multiple configurations make it a diverse product that suits a variety of applications.

Although worm gear jacks are sufficient for large loads that are infrequently moved, bevel gear jacks offer more flexibility and programmable options for a wider range of applications.

Bevel gear jack system ....etc

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download ppt on automatic screw jack

Abstract

Screw type mechanical jacks were very common for jeeps and trucks of World War II vintage. For example, the World War II jeeps were issued the Jack, Automobile, Screw type, Capacity 1 and 1/2 ton, Ordnance part number 41-J-66. This jacks, and similar jacks for trucks, were activated by using the lug wrench as a handle for the jack's ratchet action to of the jack. The 41-J-66 jack was carried in the jeep's tool compartment. Screw type jack's continued in use for small capacity requirements due to ....etc

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ABSTRACT
A screw tube assembly is disclosed for use in a screw jack or the like. The screw tube assembly comprises a hollow tube member in one end of which is formed a recess so as to reduce the tube member wall thickness. Into this recess an annular bushing is inserted. A tip portion of the recessed tube wall is crimped over the received bushing outer end to lock the bushing in the tube against axial movement. A chordal portion of the bushing and overlying tube is then displaced radially outwardly to form an external tube assembly key and to ....etc

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SCREW JACK Duff-Norton line of screw jacks (mechanical actuators) includes mechanical actuators (machine screw and ball screw) ranging in size from 1/4 ton to 350 tons, stainless steel machine screw actuators, micro-miniature actuators, high duty cycle actuators, motorized machine screw and ball screw actuators, electric cylinders and motor control systems. Accessories include miter gear boxes, c-face motor adapters, limit switches, transducers, visual and digital position indicators, couplings, ball screws and ball screw systems, and locking r ....etc

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To get full information or details of how to make a motorised object lifting jack please have a look on the pages

http://seminarsprojects.net/Thread-motorised-object-lifting-jack

if you again feel trouble on how to make a motorised object lifting jack please reply in that page and ask specific fields in how to make a motorised object lifting jack ....etc

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which can be run on battery of the vehicle. By using stepper motor it can be possible to rise and lower the load.

read this article to get better idea of this project
http://patentstorm.us/patents/5992826/description.html

i hope you enjoyed it
if yes,i welcomes you to participate in this forum discussions for helping other students issues ....etc

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