Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1983-06-30
1985-01-08
Moon, Charlie T.
Metal working
Method of mechanical manufacture
Assembling or joining
29460, 29525, 29557, 152417, 228112, 228 82, B23P 1102
Patent
active
044920199
ABSTRACT:
A method of forming an axle with hollow spindles which are each capable of supporting a rotatable hub having a wheel and tire mounted thereon. Each hub would include an intermediate cavity which is sealed to define with a wall of the spindle a reservoir for inflation air for the tire. Inflation air is supplied to the spindle at a region axially inwardly of the hub at a predetermined circumferential location thereon. The steps of forming include providing each of the spindles with an outer cylindrical surface at the region. Air passages are formed in the wall of the spindles communicating the intermediate cavity of the hub with a radially extending passage at the outer cylindrical surface. Each of the spindles is welded respectively to the opposite ends of the central portion of the axle. A pair of collar elements are formed with each collar element having an inner cylindrical surface matching the outer cylindrical surface of the spindle and a coupling passage and fitting for mating with the supply of inflation air. Each of the collar elements is respectively installed on the outer cylindrical surface of each of the spindles with the radially extending passage and the coupling passage being connected by a circumferential groove which has been formed in either the outer or inner cylindrical surface and the fitting being positioned at the predetermined circumferential location for mating with the supply of inflation air.
REFERENCES:
patent: 1112596 (1914-10-01), Burggraf, Jr.
patent: 2090089 (1937-08-01), Wiegand
patent: 3535002 (1970-10-01), Stamm
patent: 3544120 (1970-12-01), Stamm
patent: 3591907 (1971-07-01), MacMunn
patent: 3626568 (1971-12-01), Silverstein et al.
patent: 3705614 (1972-12-01), Juttner
Szabo Steven B.
Wells Calvin G.
Moon Charlie T.
Rockwell International Corporation
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