Envelope machine

Claim 2

An envelope machine, comprising: a. a frame, b. a conveyor for carrying envelope blanks longitudinally of the frame, c. a primary shaft rotatably mounted in and extending transversely of the frame above the conveyor and driven in synchronization therewith, d. a secondary shaft rotatably mounted on the primary shaft with its axis parallel to and spaced from that of the primary shaft, e. a gum applicator fastened to the secondary shaft and taking part not only in its rotation with the primary shaft, but also in its rotation about its own axis, f. means producing the said rotation of the secondary shaft to move the applicator from an operative position wherein rotation of the primary shaft causes the applicator to engage an envelope blank on the conveyor to an inoperative position wherein the applicator does not strike the conveyor, the said means consisting of an actuator, a flexible transmission means arranged in a line operated on one end by the actuator, and an abutment on the secondary shaft engaGed by the other end of the line.

Claim 3

An envelope machine, comprising: a. a frame, b. a conveyor for carrying envelope blanks longitudinally of the frame, c. a primary shaft rotatably mounted in and extending transversely of the frame above the conveyor and driven in synchronization therewith, d. a secondary shaft rotatably mounted on the primary shaft with its axis parallel to and spaced from that of the primary shaft, e. a gum applicator fastened to the secondary shaft and taking part not only in its rotation with the primary shaft, but also in its rotation about its own axis, f. means producing the said rotation of the secondary shaft to move the applicator from an operative position wherein rotation of the primary shaft causes the applicator to engage an envelope blank on the conveyor to an inoperative position wherein the applicator does not strike the conveyor, the said means consisting of an actuator, a flexible transmission means arranged in a line operated on one end by the actuator, and an abutment on the secondary shaft engaGed by the other end of the line.

Claim 4

An envelope machine, comprising: a. a frame, b. a conveyor for carrying envelope blanks longitudinally of the frame, c. a primary shaft rotatably mounted in and extending transversely of the frame above the conveyor and driven in synchronization therewith, d. a secondary shaft rotatably mounted on the primary shaft with its axis parallel to and spaced from that of the primary shaft, e. a gum applicator fastened to the secondary shaft and taking part not only in its rotation with the primary shaft, but also in its rotation about its own axis, f. means producing the said rotation of the secondary shaft to move the applicator from an operative position wherein rotation of the primary shaft causes the applicator to engage an envelope blank on the conveyor to an inoperative position wherein the applicator does not strike the conveyor, the said means consisting of an actuator, a flexible transmission means arranged in a line operated on one end by the actuator, and an abutment on the secondary shaft engaGed by the other end of the line.

Claim 5

An envelope machine, comprising: a. a frame, b. a conveyor for carrying envelope blanks longitudinally of the frame, c. a primary shaft rotatably mounted in and extending transversely of the frame above the conveyor and driven in synchronization therewith, d. a secondary shaft rotatably mounted on the primary shaft with its axis parallel to and spaced from that of the primary shaft, e. a gum applicator to the secondary shaft and taking part not only in its rotation with the primary shaft, but also in its rotation about its own axis, f. means producing the said rotation of the secondary shaft to move the applicator from an operative position wherein rotation of the primary shaft causes the applicator to engage an envelope blank on the envelope to an inoperative position wherein the applicator does not strike the conveyor, the said means consisting of a solenoid, a lever operated by the solenoid, a plurality of bearing balls arranged in a line engaged on one end by the lever, and an abutment on the secondary shaft engaged by the other end of the line.

Claim 6

An envelope machine, comprising: a. a frame, b. a conveyor for carrying envelope blanks longitudinally of the frame, c. a primary shaft rotatably mounted in and extending transversely of the frame above the conveyor and driven in synchronization therewith, d. a secondary shaft rotatably mounted on the primary shaft with its axis parallel to and spaced from that of the primary shaft, e. a gum applicator to the secondary shaft and taking part not only in its rotation with the primary shaft, but also in its rotation about its own axis, f. means producing the said rotation of the secondary shaft to move the applicator from an operative position wherein rotation of the primary shaft causes the applicator to engage an envelope blank on the envelope to an inoperative position wherein the applicator does not strike the conveyor, the said means consisting of a solenoid, a lever operated by the solenoid, a plurality of bearing balls arranged in a line engaged on one end by the lever, and an abutment on the secondary shaft engaged by the other end of the line.

Claim 7

An envelope machine, comprising: a. a frame, b. a conveyor for carrying envelope blanks longitudinally of the frame, c. a primary shaft rotatably mounted in and extending transversely of the frame above the conveyor and driven in synchronization therewith, d. a secondary shaft rotatably mounted on the primary shaft with the primary shaft extending through a bore in the secondary shaft, the bore having a substantially larger diameter than the primary shaft, e. a gum applicator mounted on the secondary shaft and taking part in its rotation with the primary shaft, and f. means producing a lateral movement of the secondary shaft relative to the primary shaft to bring about a movement of the applicator from an operative position wherein rotation of the primary shaft causes the applicator to engage an envelope blank on the conveyor to an inoperative position wherein the applicator does not strike the conveyor.

Claim 8

An envelope machine, comprising: a. a frame, b. a conveyor for carrying envelope blanks longitudinally of the frame, c. a primary shaft rotatably mounted in and extending transversely of the frame above the conveyor and driven in synchronization therewith, d. a secondary shaft rotatably mounted on the primary shaft with the primary shaft extending through a bore in the secondary shaft, the bore having a substantially larger diameter than the primary shaft, e. a gum applicator mounted on the secondary shaft and taking part in its rotation with the primary shaft, and f. means producing a lateral movement of the secondary shaft relative to the primary shaft to bring about a movement of the applicator from an operative position wherein rotation of the primary shaft causes the applicator to engage an envelope blank on the conveyor to an inoperative position wherein the applicator does not strike the conveyor.

Claim 9

An envelope machine, comprising: a. a frame, b. a conveyor for carrying envelope blanks longitudinally of the frame, c. a primary shaft rotatably mounted in and extending transversely of the frame above the conveyor and driven in synchronization therewith, d. a secondary shaft mounted on the primary shaft, e. a gum applicator fastened to the secondary shaft and taking part in its rotation with the primary shaft, f. means producing motion of the secondary shaft to move the applicator from an operative position wherein rotation of the primary shaft causes the applicator to engage an envelope blank on the conveyor to an inoperative position wherein the applicator does not strike the conveyor, the means consisting of a solenoid, a lever operated by the solenoid, a plurality of bearing balls arranged in a line and pushed on one end by the other end of the line.

Claim 10

An envelope machine, comprising: a. a frame, b. a conveyor for carrying envelope blanks longitudinally of the frame, c. a primary shaft rotatably mounted in and extending transversely of the frame above the conveyor and driven in synchronization therewith, d. a secondary shaft mounted on the primary shaft, e. a gum applicator fastened to the secondary shaft and taking part in its rotation with the primary shaft, f. means producing motion of the secondary shaft to move the applicator from an operative position wherein rotation of the primary shaft causes the applicator to engage an envelope blank on the conveyor to an inoperative position wherein the applicator does not strike the conveyor, the means consisting of a solenoid, a lever operated by the solenoid, a plurality of bearing balls arranged in a line and pushed on one end by the other end of the line.

Claim 11

An envelope machine, comprising: a. a frame, b. a first conveyor mounted in the frame for carrying envelope blanks longitudinally of the frame, c. a second conveyor mounted in the frame, the discharge end of the first conveyor to define a gap therebetween, d. a sensor located over the gap to determine the presence of an envelope blank or the lack of it, e. a pneumatic jet directed at a portion of the gap to force an unwanted envelope part downwardly through the gap.

Claim 12

An envelope machine, comprising: a. a frame, b. a first conveyor mounted in the frame for carrying envelope blanks longitudinally of the frame, c. a second conveyor mounted in the frame, the discharge end of the first conveyor to define a gap therebetween, d. a sensor located over the gap to determine the presence of an envelope blank or the lack of it, e. a pneumatic jet directed at a portion of the gap to force an unwanted envelope part downwardly through the gap.