Metal working – Means to assemble or disassemble – By deforming
Patent
1975-03-24
1976-11-02
Smith, Al Lawrence
Metal working
Means to assemble or disassemble
By deforming
29200P, B23Q 7104, B23P 1904
Patent
active
039888215
ABSTRACT:
Crankshafts for motorcycles and certain other engines or assemblies of one or more gears, bearings to mount in the crankcase, bearings for rods, fly wheel cheeks, bearing seals and the like which interfit by means of stub shafts in one element fitting into holes in another element and some of the stub shafts are eccentric relative to the others. For repair, it is necessary to separate the elements and for such purpose a stand is provided having a base to fit on a press bed, a column of appropriate height for the length of the shaft handled and a shelf at the top of the column formed with a slot. The uppermost element is placed above the shelf and the others hang below. The press ram forces the projecting staff stub down while the uppermost element is held stationary, causing separation thereof from the remaining elements and this procedure is repeated until all elements are disassembled. For reassembly, a second stand is provided having an apertured base and three radially adjustable column elements. The shaft is assembled by placing the base on a press bed, inserting the stub of the lowermost shaft element on the top of the base with its stub extending through the aperture and the next element on top of the lowermost. The press ram forces these two elements into engagement and the procedure repeated until the entire shaft is assembled. The column elements are intially adjusted to provide lateral support to hold the shaft elements aligned and keep the fly wheel cheeks level.
REFERENCES:
patent: 1645669 (1927-10-01), Stevenson
patent: 1889986 (1932-12-01), Haywood
patent: 2896958 (1959-07-01), Strauss
patent: 3276830 (1966-10-01), Vorndran
patent: 3789894 (1974-02-01), Adams
patent: 3845962 (1974-11-01), Molin
Daniels George D.
Malley Arnold T.
Caplan Julian
Godici Nicholas P.
Smith Al Lawrence
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