Patent ID: 8590417
Filing Date: 2013-11-26
Classification: B60S,G05G,Y10T

Abstract:
1. An apparatus for rotating a drive shaft of a landing gear or a lifting gear of a land vehicle comprising; a drive shaft connector with a connector socket having a cavity socket with an open end and a closed opposite end with a connector shaft attached axially to said closed end attachable to a drive shaft; an engagement sleeve is slidably disposed on said connector shaft and retained by a retaining clip attached to said connector shaft; a spring is positioned about said connector shaft between said closed end and a flange attached to said engagement sleeve and is biased to urge said engagement sleeve away from said closed end; a pin is attached to said connector shaft to extend laterally adjacent said closed end and said engagement sleeve has two opposed slots in a slot end of said engagement sleeve disposed to engage said pin when a force is applied to said engagement sleeve to compress said spring; said engagement sleeve has two opposed threaded apertures in a sidewall with a shoulder screw threaded into each disposed for rotatable attachment of a hand crank handle having a stabilizer aperture disposed therein; a stabilizer mount is attached to a housing and has a stabilizer attached to project outwardly for insertion in said stabilizer aperture when said hand crank is positioned approximately orthogonal to a drive axis of a drive gear apparatus; a drive socket at a drive socket end is engaged with a head end of said connector shaft and said drive socket is attached at an end opposite to a first surface of a primary drive gear disposed and inserted through an opening in said housing to extend outwardly from said housing; said housing having a cavity with said primary drive gear and a secondary drive gear disposed therein for a plurality of gear teeth of said primary drive gear to engage a first gear element of said secondary drive gear; and a second gear element of said secondary drive gear is disposed in said housing to be engaged by a rotary shaft of a rotary drive apparatus when the rotary shaft is inserted in said housing.