Clutch shoe construction and method of making same

Metal working – Plural diverse manufacturing apparatus including means for... – Forging and bending – cutting or punching

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Details

29525, B23Q 702

Patent

active

047365030

ABSTRACT:
An improved clutch shoe of the type that is mounted on the rotor of a centrifugal clutch for coupling engagement with an outer clutch housing. The shoe is formed by two similar L-shaped shoe half sections which are stamped of sheet metal. Each shoe half section has an arcuate-shaped configuration comprising a web and an integral outer shoe table portion with an annular boss formed on each of the webs. A plurality of annular projections are formed on one of the shoe half webs and extend outwardly therefrom in a direction opposite from the annular boss formed on the web. The other shoe half web is formed with a plurality of holes into which the annular projections are press fitted to connect the two shoe halves together with the webs being placed in abutting relationship. The shoe half table portions lie in juxtaposition with respect to each other and form an outer shoe table on which a strip of friction material is attached. The annular bosses align with each other when the shoe half sections are connected and form a cylindrical sleeve into which a mounting bushing is press fitted. The method of stamping the shoe half sections, projections and bosses from sheet metal followed by the step of press fitting the projections into the complementary-shaped holes, followed by the press fitting of a mounting bushing into the aligned annular bosses eliminates any welding, brazing, riveting or similar procedures heretofore required for connecting the shoe components.

REFERENCES:
patent: 3729078 (1973-04-01), Kincaid et al.
patent: 4279117 (1981-07-01), Lawrence et al.

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