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fabrication of multi nut(wheel) tighter
Post: #1

i need a idea for do the project fabrication of multi nut(wheel) tighter
Post: #2
Title: Device for loosening or screwing tight the fixing bolts of a wheel of a motor vehicle, with direct coupling to the wheel.
A Device for loosening/screwing tight the fixing bolts of a wheel of a vehicle, which is directly coupled to the wheel, comprising a housing in the form of a parallelepiped, a socket wrench and a sleeve fixed at the end of an adjustable arm. Here, the socket wrench engages a fixing bolt of the wheel to be screwed, the sleeve guaranteeing the stability of the housing of the device during the loosening or tightening of the above mentioned bolt, by engaging another fixing bolt of the wheel. The housing contains a reduction gear assembly letting to loosen tighten the bolt, by rotating a crank with minimal effort.

In earlier instruments, comprise a reduction gear, an actuating shaft connected to a crank, and an output shaft for engaging the head of the bolt to be screwed using a socket wrench.The tool must be supported to ground and the length of the arm must be adjustable, if the motor vehicle has already been lifted.

In order to remove a wheel, the device is put near the tire rim, engaging the socket wrench with the head of the bolt to be screwed, and at the same time, the bush is plugged into another fixing bolt which has already been loosened subsequently, after the length adjustment of that part of the arm 4, which projects out of the upper part of the device. The crank will be now rotated, in order to loosen or tighten the bolt with less effort, due to the elevated reduction ratio of the reduction gear assembly.

more details can be found here:
Post: #3
I need a complete project write up of design and fabrication of we'll multi nut remover and tightener
Post: #4
To get information about the topic fabrication of multi nut(wheel) tighterfull report ppt and related topic refer the link below

innovative mechanical project multi nut(wheel)tighter and looser


Multi nut remover is a kit invented to reduce the effort and time in replacing the wheels of the vehicle. The plurality of lug nuts can be removed at one time without the usage of an electric motor or any hydraulic and pneumatic devices. The planetary shafts are arranged exactly in the pitch circle position of the lug nuts. This method can be used to remove any number of lug nuts but the design of gear varies according to the certain parameters like number of lug nuts, pitch circle diameter.


The torque wrench or spanners are the instrument, which are widely used to remove the nuts from the bolts. Torque wrench helps in setting torque required. The nut remover is most widely used in automobile area. Removing a wheel and replacing with other one requires wrench or spanner. This spanner can be used to remove or tighten the nuts from bolts of the wheel. But this spanner can remove only one nut at a time. In case of emergency like puncture of ambulance tyre, it will be time consuming to remove nuts one by one. In those cases, Multi Nut Remover will be more useful. The torque, which is needed to apply to remove one nut, can be used to remove all nuts using Gear arrangement. This will reduce time consumed in replacing the wheel.


This invention reduces the time consumed in removing the lug nuts. In conventional method, certain torque has to be applied to remove a single lug nut. In this invention, the torque applied for removing/tightening of one lug nut is adequate for removing/tightening of all the lug nuts in the wheel. So the process of replacement of the wheels can be done so faster and it reduces the time. This device can be operated manually and no external power is consumed. It doesn't cost more as compared to hydraulic and pneumatic devices. In this mechanism, a sun and planet gear system is used. Sun gear is smallest gear and planetary gears are placed exactly in the position of the lug nuts in the pitch circle diameter according to the number of lug nuts. Pitch circle diameter is the diameter of the circle in which lug nuts are positioned.

[Image: images?q=tbn:ANd9GcSc3IOgcc2WCokWyvlBOpj...QXw_-tLAtX]

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