Title: Sewing machine motor actuated pneumatic pump for needle threading

Abstract: A pump actuating mechanism which allows a sewing machine motor to be used for operating a pneumatic pump. The mechanism utilizes two oppositely arranged, single direction, overrunning clutches, one connected to the sewing machine drive and the other connected to a pump linkage. An electrical switch is used to reverse the direction of the motor rotation thereby disengaging the motor from the sewing machine drive and engaging the motor with the pump linkage.

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Inventors: Peterson, Wesley R. (Bound Brook, NJ, US)

Application Number: 952509
Filing Date: 1978-10-17
Publication_date: 1979-08-14
Assignee: The Singer Company (New York, NY)
Primary Class(es): 112/225 112/220, 112/275, 112/DIG1, 192/48.92
Other Classes:
US Patent Ref:

2082738	Jun, 1937	Le Vesconte	112/DIG.
2943586	Jul, 1960	Hamlett	112/279.
2999575	Sep, 1961	Schwab	112/275.
3486472	Dec, 1969	Kaplan	112/225.
3635412	Jan, 1972	Perlino	112/279.
4010700	Mar, 1977	Webb	112/220.

Other Refs:
Primary Examiner: Schroeder, Werner H.
Assistant Examiner: Falik, Andrew M.
Attorney: Goodman; Edward W., Lewis; Charles R.