Patent · US Expired

Line spacing mechanism for typewriters or like machines

US4396306A · kind A · utility

0Cited by

6References

2Claims

0Family size

Assignee

Triumph-Adler A.G. fur Buro- und Informationstechnik · DE

Inventors

Heinz Meier · Hohenhausen, DE
Egon Zurawski · Berlin, DE

Key dates

Filing date	Jul 8, 1981
Grant date	Aug 2, 1983
Priority date	—
Expiry date	Jul 8, 2001

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41J19/96
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A line spacing mechanism having a platen, a line spacing ratchet, a line spacing lever mounting a pawl adapted to engage and to drive said ratchet upon pivoting movement of said line space lever, a setting lever for controlling the time of engagement of said pawl and ratchet and adjustable stop means for limiting driving movement of said pawl and overtravel of the platen. The mechanism includes a single detent means for detentably holding said ratchet, said setting lever and said stop means, and includes means on said setting lever operable on said detent means to release said ratchet for irregular movement.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.