Roller printer

Claim 2

A roller printer, comprising, in combination: a. a frame; b. a carrying roller having a paint conveying surface and rotatably mounted on the frame; c. a printing roller rotatably mounted on the frame and arranged for engaging the carrying roller; and d. supply means for providing paint to the carrying roller, the supply means including: i. a paint reservoir mounted on the frame and having a bottom portion provided with a slot disposed immediately adjacent the surface of the carrying roll; and ii. shutter means arranged adjacent the slot for controlling passage of paint from the reservoir to the carrying roller, the shutter means including a U-shaped bracket having a pair of spaced legs connected together by a back portion adjustably attached to the reservoir, and a roll mounted on the legs and arranged adjacent the slot, the reservoir bottom portion being V-shaped with the slot being provided in the bottom of the V, and the roll being movable into and out of the slot by adjustment of the back portion of the bracket with respect to the reservoir and forming a means for providing a desired opening or closing of the slot, the slot being opened for permitting fluid to run therethrough and onto the carrying roller.

Claim 3

A structure as defined in claim 1, further incluDing two arms each having a pair of ends, one of the ends of the arms being pivotally mounted on the frame, and wherein the printing roller is rotatably mounted on the other of the ends of the arms.

Claim 4

A structure as defined in claim 2, wherein a guide roller is mounted on the frame, the guide roller being associated with the printing roller for guiding and stabilizing the printing roller.

Claim 5

A structure as defined in claim 1, wherein a pair of printing rollers are rotatably mounted on the frame, each of the rollers arranged for selectively engaging the carrying roller, and a pair of spaced, parallel cranks are pivotally mounted on the frame, the cranks having diverging lever arms terminating in outer ends, the printing rollers being rotatably mounted on the outer ends of the lever arms.

Claim 6

A structure as defined in claim 4, wherein one roller of the pair of printing rollers has a diameter which is smaller than a diameter of the other roller of the pair of rollers.

Claim 7

A structure as defined in claim 5, wherein a pair of guide rollers are mounted on the frame, one of the guide rollers associated with a respective one of the printing rollers, and the other of the guide rollers associated with the other of the printing rollers, each of the guide rollers arranged for guiding and stabilizing the associated printing roller.

Claim 8

A structure as defined in claim 6, wherein the frame includes a pair of spaced, parallel end walls, the cranks being pivotally mounted on the end walls, each of the end walls provided on a surface thereof arranged facing the other of the end walls with a substantially U-shaped projection opening toward the reservoir and forming a groove, and wherein the carrying roller includes a shaft partially supported by the groove.

Claim 9

A structure as defined in claim 7, further including a handle comprising a holding fork pivotally mounted on the frame end walls, and stop means provided on the end walls for limiting movement of the holding fork.

Claim 10

A structure as defined in claim 1, wherein the frame includes a pair of spaced, parallel end walls, each of the end walls provided on a surface thereof arranged facing the other of the end walls with a substantially U-shaped projection opening toward the reservoir and forming a groove, and wherein the carrying roller includes a shaft partially supported by the groove.

Claim 11

A structure as defined in claim 9, further including a handle comprising a holding fork pivotally mounted on the frame end walls, and stop means provided on the end walls for limiting movement of the holding fork.

Claim 12

A roller printer, comprising, in combination: a. a frame; b. a carrying roller rotatably mounted on the frame; c. a printing roller rotatably mounted on the frame and arranged for engaging the carrying roller; d. supply means for providing a fluid to the carrying roller, the supply means including: i. a paint reservoir mounted on the frame and having a bottom portion provided with a slot; and ii. shutter means arranged adjacent the slot for controlling passage of paint from the reservoir to the carrying roller, the shutter means including a U-shaped bracket having a pair of spaced legs connected together by a back portion adjustably attached to the reservoir, and a roll mounted on the legs and arranged adjacent the slot, the reservoir bottom portion being V-shaped with the slot being provided in the bottom of the V, and the roll being movable into and out of the slot by adjustment of the back portion of the bracket with respect to the reservoir; e. an arm having a pair of ends, one of the ends of the arm pivotally mounted on the frame, and wherein the printing roller is rotatably mounted on the other of the ends of the arm, a pair of printing rollers being rotatably mounted on the frame, each of the rollers arranged for selectively engaging the carrying roller, one roller of the pair of printing rollers having a diameter which is smaLler than a diameter of the other roller of the pair of rollers; f. a pair of guide rollers mounted on the frame, one of the guide rollers associated with a respective one of the printing rollers, and the other of the guide rollers associated with the other of the printing rollers, each of the guide rollers arranged for guiding and stabilizing the associated printing roller, the frame including a pair of spaced, parallel end walls, each of the end walls provided on a surface thereof arranged facing the other of the end walls with a substantially U-shaped projection opening toward the reservoir and forming a groove, and wherein the carrying roller includes a shaft partially supported by the groove; and g. a handle comprising a holding fork pivotally mounted on the frame end walls, and stop means provided on the end walls for limiting movement of the holding fork.

Claim 13

A roller printer, comprising, in combination: a. a frame; b. a carrying roller rotatably mounted on the frame; c. a printing roller rotatably mounted on the frame and arranged for engaging the carrying roller; d. supply means for providing a fluid to the carrying roller, the supply means including: i. a paint reservoir mounted on the frame and having a bottom portion provided with a slot; and ii. shutter means arranged adjacent the slot for controlling passage of paint from the reservoir to the carrying roller, the shutter means including a U-shaped bracket having a pair of spaced legs connected together by a back portion adjustably attached to the reservoir, and a roll mounted on the legs and arranged adjacent the slot, the reservoir bottom portion being V-shaped with the slot being provided in the bottom of the V, and the roll being movable into and out of the slot by adjustment of the back portion of the bracket with respect to the reservoir; e. an arm having a pair of ends, one of the ends of the arm pivotally mounted on the frame, and wherein the printing roller is rotatably mounted on the other of the ends of the arm, a pair of printing rollers being rotatably mounted on the frame, each of the rollers arranged for selectively engaging the carrying roller, one roller of the pair of printing rollers having a diameter which is smaLler than a diameter of the other roller of the pair of rollers; f. a pair of guide rollers mounted on the frame, one of the guide rollers associated with a respective one of the printing rollers, and the other of the guide rollers associated with the other of the printing rollers, each of the guide rollers arranged for guiding and stabilizing the associated printing roller, the frame including a pair of spaced, parallel end walls, each of the end walls provided on a surface thereof arranged facing the other of the end walls with a substantially U-shaped projection opening toward the reservoir and forming a groove, and wherein the carrying roller includes a shaft partially supported by the groove; and g. a handle comprising a holding fork pivotally mounted on the frame end walls, and stop means provided on the end walls for limiting movement of the holding fork.

Claim 14

A structure as defined in claim 9, wherein a pair of spaced, parallel cranks are pivotally mounted on the end walls of the frame, the cranks having diverging lever arms, including the said arm, terminating in outer ends, and the printing rollers being rotatably mounted on the outer ends of the lever arms.