Patent ID: 6855088
Filing Date: 2005-02-15
Classification: A63H,F16H,Y10T

Abstract:
1. A speed model mechanism for model cars comprising: a housing having an interior wall which is equidistantly provided with bore holes and grooves; a cover connectable with said housing, said cover being provided with a plurality of bolt holes aligned with said bore holes; a first pivot passing through a center of said cover, said pivot being connected to a first bearing and then pivotally provided on said cover, an end of said first pivot being mounted with a first bevel gear so that said first pivot will be rotated in unison with said first bevel gear; a second pivot provided on a center bottom of said housing and connected to a second bearing, said second pivot being pivotally provided on said housing, an end of said second pivot being mounted with a second bevel gear so that said second pivot will be rotated in unison with said second bevel gear; a gear wheel extruded from a bottom rim of said housing; and a gear set having a positioning base and a plurality of helical gears, said positioning base being in a form of a hexagon block with each side centrally extruded with an axle, each axle being provided with a helical gear with a smaller taper towards a positioning base.