Conversion assembly for sewing machine speed controller
AssigneeThe Singer Company
InventorJan Szostak
Life of this patent
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Abstract
An assembly for converting a sewing machine speed controller of the foot operated type to hand operation thereof includes a housing for slidably accepting the speed controller therein. Hand operable speed setting means mounted on the housing are provided for an operator to manipulate so as to set a desired speed, the speed setting means maintaining its set condition. Actuator means are further provided, coupled to the speed setting means and responsive to a set condition thereof for controlling the compression of the speed controller.
Claims7
An assembly for converting a sewing machine speed controller of the foot operated type to hand operation thereof, the amount of compression of said controller determining the speed of said sewing machine, said assembly comprising:
- a housing for slidably accepting said speed controller therein and adapted to be mounted on the sewing machine, said housing including a front wall, a rear wall, a top wall and a lower support for said controller;
- hand operable speed setting means mounted on the top wall of said housing and accessible to an operator for allowing an operator to manipulate said setting means to a specific condition so as to set a desired speed for said sewing machine and for maintaining the set condition;
- and
- actuator means coupled to said speed setting means and responsive to a set condition thereof for controlling the compression of said controller.
Dependencies are inferred from the claim text.