Tooth grip belt pulley
AssigneeWinkelmann and Pannhoff and Bayerische Motoren Werke Aktiengesellschaft
InventorsHorst Hanisch, Heinrich Winkelmann, Adolf Fischer
Life of this patent
Estimating the term…
Abstract
A tooth grip belt pulley of deformed sheet metal with a hub formed in one piece therewith and constructed pot-shaped; the cylindrical wall of the hub is constructed as an interference seat for a shaft end and the bottom wall thereof as axial abutment for the shaft end; the edge of the hub passes over into webs of the tooth grip belt pulley.
Claims13
A belt pulley of deformed sheet metal comprising a pulley rim, hub means axially positioned for receiving a shaft end and web means extending essentially radially between said pulley rim and said hub means, said pulley rim, hub means and web means being formed from one piece of sheet metal characterized in that the hub means is constructed pot-shaped and includes a cylindrical wall constructed as interference seat for a shaft end and a bottom wall constructed as axial abutment for the shaft end, the edge of the hub means passing over into the web means of the pulley, and characterized in that the bottom wall of the hub means is constructed double-walled of two sheet metal parts, in that one sheet metal part extends up to areal connecting places of the other sheet metal part, and in that the two sheet metal parts are non-detachably connected with each other at the bottom of the hub means as also at said connecting places.
Dependencies are inferred from the claim text.