Mechanism for driving a pen recorder
AssigneeAlps Electric Co., Ltd.
InventorTakanobu Matsuura
Life of this patent
Estimating the term…
Abstract
A mechanism for driving a pen recorder includes a carriage movable with respect to a recording sheet, a pen holder rotatably mounted on the carriage and carrying a plurality of pens, the pen holder having a writing position in which one of the pens at a time can be located, the pen holder including a rotatable pen selector mechanism, a hammer swingably mounted on the carriage for pressing one of the pens in the writing position toward the recording sheet, a motor, a cam rotatably by the motor, a lever for actuating the hammer, the lever having a portion held in sliding contact with the cam, so that the hammer can be driven by the cam, an intermittent gear rotatable in unison with the cam, and a driven gear held in mesh with the intermittent gear and having a shaft coupled with the rotatable pen selector mechanism.
Claims3
A mechanism for driving a pen recorder, comprising:
- (a) a carriage movable with respect to a recording sheet;
- (b) a pen holder rotatably mounted on said carriage and carrying a plurality of pens, said pen holder having a writing position in which one of said pens at a time can be located, said pen holder including a rotatable pen selector mechanism;
- (c) a hammer swingably mounted on said carriage for pressing one of said pens in said writing position toward the recording sheet;
- (d) a motor;
- (e) a cam rotatable by said motor;
- (f) a lever for actuating said hammer, said lever having a portion held in sliding contact with said cam, so that said hammer can be driven by said cam;
- (g) an intermittent gear rotatable in unison with said cam;
- and
- (h) a driven gear held in mesh with said intermittent gear and having a shaft coupled with said rotatable pen selector mechanism.
Dependencies are inferred from the claim text.