Patent ID: 7116356
Filing Date: 2006-10-03
Classification: B66C,Y10T

Abstract:
1. A mechanically extendable axle comprising the following: an outer sleeve with a longitudinal hollow core, said core of said outer sleeve having an outer surface and an inner surface wherein said inner surface has a longitudinal groove extending its length, an inner sleeve with a hollow longitudinal core and an outer surface and an inner surface, wherein said outer surface of said hollow longitudinal core of said inner sleeve has a key extending its length said key connecting said inner sleeve to said outer sleeve when said inner sleeve is inserted into said hollow longitudinal core of said outer sleeve by contact with a groove extending the length of said inner surface of said outer sleeve, said inner surface further having a distal end capable of being attached to a camera unit, said mechanically extendable axle further having a threaded axle with a distal end and a proximal end, said proximal end being coupled to the drive shaft of a reversible electric motor, and said threaded axle being supported by a nut component of a worm gear, said nut being suspended in said hollow longitudinal core of said inner sleeve and connected by support pieces connected at one or more points to said inner surface of said inner sleeve, and further said outer sleeve having a flange connecting to said reversible electric motor and to a gear assembly into which said outer sleeve is inserted and secured, said reversible electric motor is connected to the electric system of heavy equipment on which said axle is positioned and is operated by an equipment operator.