JPS62102641U - - Google Patents

Description

[Brief explanation of drawings]

FIGS. 1 and 2 are views showing an embodiment of this invention, with FIG. 1 being a perspective view and FIG. 2 being a side view.
FIG. 3 is a side view showing a conventional device, FIG. 4 is an explanatory diagram showing a paper cover biasing structure, and FIG. 5 is an explanatory diagram showing a fixing structure of a sliding frame in the conventional device. In the figure, 1: drive shaft, 2: guide shaft, 3: sliding frame, 4: pin belt, 5: paper lid, 6: pin, 8:
Tension spring, 14: paper receiving surface, 14a: extension part,
15: Engagement arm, 16: Pin, 17: Lever, 17
a: its tip, 17b: its inner end, 19: coil spring, 20: engagement protrusion.

Claims (1)

[Scope of utility model registration request] a sliding frame that movably holds a pin belt along a drive shaft and a guide shaft mounted in parallel;
A guide unit for a tractor device includes a paper lid pivotably supported on the sliding frame so as to be openable and closable, and a spring that biases the paper lid selectively to an open position and a closed position. An extension part is provided by extending the paper receiving surface, and an engaging arm is provided on the paper lid that extends outward from the pivot position, and a lever is swingably attached to a pin provided on the side of the sliding frame. is pivotally mounted, and the tip of the lever extends below the extension part, and is provided with a spring that biases the lever in a direction in which the tip swings downward. A guide unit for a tractor device, wherein an engagement protrusion facing below an engagement arm of a paper cover is provided, and the lever is normally pressed against a guide shaft by the biasing force of the spring.