초록 ▼

An apparatus for dispensing paper towels of predetermined length includes a housing, a supply roll of a continuous paper web, means for advancing the paper web outside the case, means for at least partially cutting the paper web protruding from the case, and a motor for driving both such means. The

An apparatus for dispensing paper towels of predetermined length includes a housing, a supply roll of a continuous paper web, means for advancing the paper web outside the case, means for at least partially cutting the paper web protruding from the case, and a motor for driving both such means. The motor is an electric d.c. motor which is rotated in a first direction until a paper web of predetermined length is advanced outside the case. The rotation is then reversed so that the paper advancement is stopped and the paper web is out. A first unidirectional coupling means is arranged between the motor and the advancing means and a second unidirectional coupling means is arranged between the motor and the cutting means to selectively actuate either of the advancing or cutting means according to the rotational direction of the motor. The length of the dispensed towel is an integer multiple of an elementary length and the number of elementary lengths by which the paper web is advanced before being but is selected by properly setting a number of switches.

대표청구항 ▼

An apparatus for dispensing a predetermined length of a paper web from a paper supply roll, comprising: a housing provided with a slot through which the paper web is fed outside from the roll contained in said housing; a bidirectional electric motor; means for advancing the paper web through said sl

An apparatus for dispensing a predetermined length of a paper web from a paper supply roll, comprising: a housing provided with a slot through which the paper web is fed outside from the roll contained in said housing; a bidirectional electric motor; means for advancing the paper web through said slot; means for transversely cutting at least a part of the paper web protruding outside said slot; means for selectively coupling said motor to said advancing means and to said cutting means, rotated in a first direction is said motor when coupled to the advancing means being capable of advancing the paper web through said slot and said motor when rotated in the opposite direction is coupled to said cutting means being capable of actuating the cutting means to cut the web; a control circuit for driving the motor when coupled to said advancing means for a duration proportional to the predetermined length, and then driving said motor after coupling to said cutting means, whereby the dispensed paper web is at least partially cut.