Paper-feeding mechanism with swing arm and gear train
AssigneeQisda Corporation
InventorChien-Chih Chen
Life of this patent
Estimating the term…
Abstract
A paper-feeding mechanism includes a paper tray for positioning print media, a pickup roller installed in front of the paper tray for pressing print media so as to pick up print media, a pickup arm fixed to a first shaft at one end and connected to the pickup roller at another end for driving the pickup roller to rotate around the first shaft, a first gear installed inside the pickup arm and connected to a first end of the pickup roller, a swing arm fixed to a second shaft at one end and connected to a second gear for gearing the first gear at another end, a third gear fixed to the second shaft and engaged with the second gear for driving the swing arm and the second gear to rotate, and a driving device for driving the third gear.
Claims7
A paper-feeding mechanism comprising:
- a paper tray for positioning a print medium;
- a pickup roller installed in front of the paper tray for pressing the print medium so as to pick up the print medium;
- a pickup arm fixed to a first shaft at one end and connected to the pickup roller at another end for driving the pickup roller to rotate around the first shaft;
- a first gear installed inside the pickup arm and connected to a first end of the pickup roller;
- a swing arm fixed to a second shaft at one end and connected to a second gear for engaging with the first gear at another end;
- a third gear fixed to the second shaft and engaged with the second gear for driving the swing arm and the second gear to rotate;
- and
- a driving device for driving the third gear.
Dependencies are inferred from the claim text.