Patent ID: 6375382
Filing Date: 2002-04-23
Classification: E05F,G05G,Y10T

Abstract:
A crank assembly for use on a splined shaft operable to open and close a casement window comprising a tubular body having a closed top end and an open bottom end; a socket in said open bottom end for mounting the body on the splined shaft; said socket being ovoid in cross section, and including alternating, longitudinally extending splines and grooves for operably connecting the body to any of a plurality of splined shafts having a variety of diameters and spline configurations; a handle pivotal on one corner of said top end for rotation between an extended position in which the handle extends outwardly from the body for rotating the body and the splined shaft to open and close the window, and a stored position in which the handle extends across the top of the body, one of the top end of the body and the handle defining a trough or ridge; and the other said top end of the body or the handle defining a complementary ridge or trough, whereby in the stored position, with the trough and ridge mating, the bottom edge of the handle lies beneath the top end of the body; and a knob on a free end of said handle, in the stored position, the knob being spaced apart from one end of the body for facilitating manual access to the knob and rotation of the handle to the extended, use position for rotating the body and the shaft.