Title: Automatic metal-spinning method

Abstract: An automatic metal-spinning machine utilizing a plurality of work spindles, which rotate on their own axes, adjacent respective parallel spinning-tool operating shafts rotatable with variable pressure to apply tools against workpieces on the spindles while all simultaneously and continuously rotate around a central column so that a plurality of metal blanks are progressively formed and several parts are completed as the spindles and tool operating shafts make one revolution around the central column.

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Inventors: Lewis, Burton F. (Hillsboro, NH, US)
Lewis, Alan Y. (Hillsboro, NH, US)

Application Number: 649907
Filing Date: 1976-01-16
Publication_date: 1977-09-13
Assignee:
Primary Class(es): 72/83 29/892.3, 72/85, 72/377
Other Classes:
US Patent Ref:

2960951	Nov, 1960	Bierman	72/83.
3046924	Jul, 1962	Kane	113/52.
3109400	Nov, 1963	Paulton	72/83.
3137259	Jun, 1964	Sporch	72/83.
3203316	Apr, 1965	Cashman et al.	82/3.
3282078	Nov, 1966	Kaesemeyer	72/82.
3490258	Jan, 1970	Patchell	72/83.
3946585	Mar, 1976	Caboni	72/83.

Other Refs:
Primary Examiner: Gilden, Leon
Assistant Examiner:
Attorney: Tarrant; Thomas N.