Self-service scale having a printing mechanism adapted to print a weight and other information of an article which is weighed and adhere said label to said weighed article, wherein a printed label is held and transferred to a label applying position above a scale plate located outside a frame by adhering a label transfer device to an adhesive surface of the label and is applied onto said weighed article by depressing the weighed article against the label adhered to said Self-service scale device comprising:

a driving mechanism fixed at the center of a side plate which is fixed to a label printer frame;

a first setting plate fixed to the lower part of said side plate through two connecting rods;

a second setting plate opposed to said first setting plate through two connecting rods;

a receiving plate rotatably fixed to the lower end part of both said setting plates through a shaft;

a switching mechanism fixed to one of said setting plates with a small distance from said receiving plate above thereof, and connected with said printing mechanism;

a first swing plate secured at a shaft of said driving mechanism;

a second swing plate secured through two connecting rods to said first swing plate; and

two label transfer bars including coil springs rotatably mounted to the peripheries of said transfer bars secured at the lower end part of said other swing plate.

Self-service scale  in accordance with claim 1, said label printer having said printing mechanism comprising a printing hammer, printing drum, roller for base paper, paper feed motor which feeds out roll paper in sequence, rubber printing mechanism, and having a guide plate for guiding said base paper so as to detach a printed label, a take-out opening provided at the center of the front face of said label printer frame to which said printed label is advanced, and said transfer bars are actuated by said driving mechanism comprising a rotary solenoid to swing said swing plate in reciprocation motion in the direction of said take-out opening and said label applying position where said receiving plate is movably provided to actuate said switching mechanism comprising a limit switch above said transfer bars thereby said printed label is adhered onto said coil springs being kept adhesive surface of the label faced down, and said limit switch is connected with said rotary solenoid and said printing mechanism.

Self-service scale in accordance with claim 1, wherein a receiving plate is provided a distance above said label transfer bar and wherein a printed label is inserted between said label transfer bar which stays at the label printer side and said receiving plate and is held and transferred by both the label transfer bar and the receiving plate toward the label applying position.

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