The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 20, 1990
Filed:
May. 27, 1988
Akio Itabashi, Koshigaya, JP;
Satomi Nanaumi, Koshigaya, JP;
Copal Company Limited, Tokyo, JP;
Abstract
A printer paper feed apparatus having a single-form feed function and a continuous-form feed function, in which a pin tractor mechanism for feeding the continuous forms is situated upstream of the platen in terms of paper feed. The apparatus includes a guide plate member for the single forms having a base end pivotally supported in the vicinity of a single-form insertion inlet formed in an upper side of a printer main body, the guide plate member being capable of selectively assuming a horizontally accommodated position and a paper insertion guide position at which it is raised in an inclined attitude, a clutch mechanism provided in a rotating force transmission system between a tractor drive shaft of the pin tractor mechanism and the paper feed motor, and a clutch control mechanism for controlling engagement and disengagement of the clutch means in dependence upon whether the guide plate member is situated at the accommodated position or the single-form insertion guide position. When the guide plate member is situated at the single-form insertion guide position, the clutch mechanism is placed in a state in which the rotating force cannot be transmitted from the paper feed motor to the tractor drive shaft, thereby terminating drive of the pin tractor mechanism.