Digital device incorporating inkjet printhead and platen
View Patent ↗A handheld print-on-demand digital device. The device comprises a pagewidth inkjet printhead and a platen assembly operatively positioned relative to the printhead. The platen assembly comprises: a planar platen member for supporting print media; a print media transport roller located on a first side of the platen member for feeding print media past said printhead; and a cutting mechanism located on a second opposite side of the platen member for severing the print media. The cutting mechanism includes a transport assembly driven by a threaded rod. The transport assembly has a body for traversing across the print media and a cutting edge fixed to the body for severing the print media during a traverse of the body.
1. A handheld print-on-demand digital device comprising:
a pagewidth inkjet printhead; and
a platen assembly operatively positioned relative to said printhead, said platen assembly comprising:
a planar platen member for supporting print media;
a printhead capping mechanism;
a print media transport roller located on a first side of the platen member for feeding print media past said printhead; and
a cutting mechanism located on a second opposite side of the platen member for severing the print media, the cutting mechanism including:
a transport assembly driven by a threaded rod, said transport assembly having a body for traversing across the print media; and
a cutting edge fixed to the body for severing said print media during a traverse of the body.
2. The device of claim 1 , wherein said cutting mechanism further includes a member driven by the threaded rod to engage an edge of a counter, such that said cutting member is arranged to increment the counter with each severing operation
3. The device of claim 2 , wherein the member comprises a pawl mounted on the body and arranged to rotate the counter by engagement with the edge of the counter.
4. The device of claim 1 , wherein the printhead capping mechanism is fastened to the planar member.
5. The device of claim 4 , wherein the printhead capping mechanism includes biasing members arranged to bias a printhead capping member away from the platen.
6. The device of claim 5 , wherein the printhead capping mechanism includes a solenoid for moving the printhead capping member into capping engagement with the printhead.
7. The device of claim 1 comprising, which is a digital camera.