Installing and a removing device for an engine clutch of a remote-controlled toy car

Abstract

An installing and a removing device for an engine clutch of a remote-controlled toy car respectively install and remove an engine clutch easily, quickly and safely, not hurting a hand of a person or damaging the engine itself, clutch leaves or clutch springs.

What is claimed is:  
     
         1 . A removing device for an engine clutch of a remote-controlled toy car, said engine having a spindle provided at one side, a round base fitting around said spindle and having an annular groove in a circumferential surface, three rods provided to stand upright on the side of the engine around said round base, said clutch having three leaves to be positioned on the side of said engine, each said clutch leaf provided with an intermediate groove in an intermediate portion for a torque spring to extend therein and a through hole bored at one end, said rods of the engine fitting through said through hole of each said clutch leaf and further through a center space of each said torque spring, each said torque spring Having one end sandwiched in a back edge of each said clutch leaf and the other end sticking in said annular groove; 
 Said removing device comprising a body and a thumb screw:    Said body having a lengthwise center threaded hole for said thumb screw to engage movably with, and a smaller diameter cylindrical upper end than a lower portion of said body, said upper cylindrical end having a center hole, three sloped walls formed around said center hole and spaced apart, and an engage groove formed in a lower portion of each said sloped wall: and,    Said center hole of said body of said removing device made to fit with said three clutch leaves in case of removing said clutch, with said three sloped walls clamping said torque springs and pushing said springs to hook in said engage grooves, said body then possible to be pulled out together with said three clutch leaves.    
     
     
         2 . The removing device for an engine clutch of a remote-controlled toy car as claimed in  claim 1 , wherein said thumb screw has a large head for easily gripping by fingers for rotating.  
     
     
         3 . An installing device for an engine clutch of a remote-controlled toy car, said engine having a spindle provided at one side, a round base fitting around said spindle and having an annular groove in a circumferential surface, three rods provided to stand upright on the side of said engine around said round base, said clutch having three clutch leaves positioned on the side of said engine, each said clutch leaf having an intermediate groove in an intermediate portion for a torque spring to extend therein and a through hole bored in an end, each said rod of said engine fitting through said through hole of each said clutch leaf and further through a center space of each said torque spring, each torque spring having one end sandwiched in a back edge of each said clutch leaf and the other end sticking in said annular groove: 
 Said installing device comprising a body having an upper cylindrical end, an actuating wall standing up on the upper end, an engage groove provided in a lower portion of said actuating wall, said upper cylindrical end having a center hole for said spindle of said engine to fit therein: and,    Said actuating wall made to push open said torque spring and forced to let said engage groove hook said clutch leaf in case of installing a clutch leaf one by one on said engine with said installing device, said clutch leaf moved to said annular groove of said round base, position said clutch leaf stably on said engine.