Intermittent feed mechanism

Claim 2

An intermittent feed mechanism comprising a driven wheel shaft, a first driven wheel member having slots and fixedly mounted on the driven wheel shaft, a second driven wheel member having cam-contacting recesses and fixedly mounted on the driven wheel shaft, said first and second driven wheel members being axially displaced on said driven wheel shaft and fixedly mounted to each other, a driving wheel shaft, a driving roller secured to the driving wheel shaft and positioned to engage each of the slots of the first driven wheel member in succession upon rotation thereof, and a locking cam secured to the driving wheel shaft and positioned to engage each of the cam contacting recesses of the second driven wheel member.

Claim 3

An intermittent feed mechanism comprising a driven wheel shaft, a first driven wheel member having slots and fixedly mounted on the driven wheel shaft, a second driven wheel member having cam-contacting recesses and fixedly mounted on the driven wheel shaft, the second driven wheel member being formed by two similar slotted plates, one of which slotted plates being turned 180* about the driven wheel shaft with respect to the other after the forming of the cam-contacting recesses therein and then set at that angle when assembled, a driving wheel shaft, a driving roller secured to the driving wheel shaft and positioned to engage each of the slots of the first driven wheel member in succession upon rotation thereof, and a locking cam secured to the driving wheel shaft and positioned to engage each of the cam contacting recesses of the second driven wheel member.

Claim 4

An intermittent feed mechanism comprising a driven wheel shaft, a first driven wheel member having slots and fixedly mounted on the driven wheel shaft, a second driven wheel member having cam-contacting recesses and fixedly mounted on the driven wheel shaft, the second driven wheel member being formed by two similar slotted plates, one of which slotted plates being turned 180* about the driven wheel shaft with respect to the other after the forming of the cam-contacting recesses therein and then set at that angle when assembled, a driving wheel shaft, a driving roller secured to the driving wheel shaft and positioned to engage each of the slots of the first driven wheel member in succession upon rotation thereof, and a locking cam secured to the driving wheel shaft and positioned to engage each of the cam contacting recesses of the second driven wheel member.

Claim 5

An intermittent feed mechanism comprising a driven wheel shaft, a first driven wheel member having slots and fixedly mounted on the driven wheel shaft, a second driven wheel member having cam-contacting recesses and fixedly mounted on the driven wheel shaft, a driving wheel shaft, a driving roller secured to the driving wheel shaft and positioned to engage each of the slots of the first driven wheel member in succession upon rotation thereof, a locking cam secured to the driving wheel shaft and positioned to engage each of the cam contacting recesses of the second driven wheel member, an input shaft for constant-speed running, and crank means connected to the input shaft and the driving wheel shaft to cause the latter to run at an irregular speed.

Claim 6

An intermittent feed mechanism comprising a driven wheel shaft, a first driven wheel member having slots and fixedly mounted on the driven wheel shaft, a second driven wheel member having cam-contacting recesses and fixedly mounted on the driven wheel shaft, a driving wheel shaft, a driving roller secured to the driving wheel shaft and positioned to engage each of the slots of the first driven wheel member in succession upon rotation thereof, a locking cam secured to the driving wheel shaft and positioned to engage each of the cam contacting recesses of the second driven wheel member, an input shaft for constant-speed running, and crank means connected to the input shaft and the driving wheel shaft to cause the latter to run at an irregular speed.

Claim 7

An intermittent feed mechanism according to claim 3 wherein the crank means comprises a first arm secured at one end to the driving wheel shaft and slotted along its length to the other end portion, a second arm secured at one end to the input shaft, and a roller secured at the other end to the second arm and slidably fitted in said slot.

Claim 8

An intermittent feed mechanism comprising a driven wheel shaft, a driven wheel body having slots and fixedly mounted on the driven wheel shaft, an elastic driven wheel member having cam-contacting recesses and fixedly mounted on the driven wheel shaft, a turntable mounted on the driven wheel shaft, jigs provided on the surface of said turntable for providing indexing points therein, a housing having a bearing to support the driven wheel shaft, a slide slidably held by the housing for pressure contact with one of said jigs, a driving wheel shaft, a driving roller secured to the driving wheel shaft and positioned to engage one of the slots of the driven wheel body, a locking cam secured to the driving wheel shaft and positioned to engage each of the cam-contacting recesses of the elastic driven wheel member, a cam secured to the driving wheel shaft and positioned to cause sliding of the slide in accordance with its contour, and a spring secured to the housing for elastically supporting the slide.

Claim 9

An intermittent feed mechanism comprising a driven wheel shaft, a driven wheel body having slots and fixedly mounted on the driven wheel shaft, an elastic driven wheel member having cam-contacting recesses and fixedly mounted on the driven wheel shaft, a turntable mounted on the driven wheel shaft, jigs provided on the surface of said turntable for providing indexing points therein, a housing having a bearing to support the driven wheel shaft, a slide slidably held by the housing for pressure contact with one of said jigs, a driving wheel shaft, a driving roller secured to the driving wheel shaft and positioned to engage one of the slots of the driven wheel body, a locking cam secured to the driving wheel shaft and positioned to engage each of the cam-contacting recesses of the elastic driven wheel member, a cam secured to the driving wheel shaft and positioned to cause sliding of the slide in accordance with its contour, and a spring secured to the housing for elastically supporting the slide.

Claim 10

An intermittent feed mechanism according to claim 5 including an input shaft for constant-speed running and crank means connected to the input shaft and the driving wheel shaft to cause the latter to run at an irregular speed.

Claim 11

An intermittent feed mechanism according to claim 6 wherein the crank means comprises a first arm secured at one end to the driving wheel shaft and slotted along its length to the other end portion, a second arm secured at one end to the input shaft, and a roller secured at the other end to the second arm and slidably fitted in said slot.

Claim 12

An intermittent feed mechanism comprising a driven wheel shaft, a driven wheel body having slots and fixedly mounted on the driven wheel shaft, an elastic driven-wheel member having cam-contacting recesses and fixedly mounted on the driven wheel shaft, a housing having a bearing to support the driven wheel shaft, jigs provided on the surface of the driven wheel member for providinG indexing points thereon, a slide slidably held by the housing for pressure contact with one of the jigs, a spring secured to the housing and elastically supporting the slide, a driving wheel shaft, a driving roller secured to the driving wheel shaft and positioned to engage one of the slots of the driven wheel body, a locking cam secured to the driving wheel shaft and positioned to engage each of the cam-contacting recesses of the elastic driven wheel member, and a cam secured to the driving wheel shaft and positioned to cause sliding of the slide in accordance with its contour.

Claim 13

An intermittent feed mechanism comprising a driven wheel shaft, a driven wheel body having slots and fixedly mounted on the driven wheel shaft, an elastic driven-wheel member having cam-contacting recesses and fixedly mounted on the driven wheel shaft, a housing having a bearing to support the driven wheel shaft, jigs provided on the surface of the driven wheel member for providinG indexing points thereon, a slide slidably held by the housing for pressure contact with one of the jigs, a spring secured to the housing and elastically supporting the slide, a driving wheel shaft, a driving roller secured to the driving wheel shaft and positioned to engage one of the slots of the driven wheel body, a locking cam secured to the driving wheel shaft and positioned to engage each of the cam-contacting recesses of the elastic driven wheel member, and a cam secured to the driving wheel shaft and positioned to cause sliding of the slide in accordance with its contour.

Claim 14

An intermittent feed mechanism according to claim 8 including an input shaft for constant-speed running and crank means connected to the input shaft and the driving wheel shaft to cause the latter to run at an irregular speed.

Claim 15

An intermittent feed mechanism according to claim 9 wherein the crank means comprises a first arm secured at one end to the driving wheel shaft and slotted along its length to the other end portion, a second arm secured at one end to the input shaft, and a roller secured at the other end to the second arm and slidably fitted in said slot.