Sheet feeding or delivering – Feeding – With means to interrupt feeding
Patent
1993-11-12
1995-03-07
Olszewski, Robert P.
Sheet feeding or delivering
Feeding
With means to interrupt feeding
271109, 355206, 355308, B65H 702
Patent
active
053951069
ABSTRACT:
A sheet feeding unit includes a sheet forwarding unit for forwarding sheets from a sheet storing unit, a key input portion, a sheet detection gate, and a control unit. In one embodiment, the sheet forwarding unit repetitively performs its function after an operation start instruction until either the sheet detection gate detects a sheet from the feeding cassette or until the number of repetitions of the sheet forwarding unit reaches a predetermined number. An error process is performed when the number of repetition reaches the predetermined number without the gate detecting a sheet. Also, the sheet feeding unit compares the number of times a sheet is fed from the sheet feeding unit with the number of times the sheet if forwarding to determine the status of the feeding roller.
REFERENCES:
patent: 4589765 (1986-05-01), Perun et al.
patent: 4860052 (1989-08-01), Ito et al.
patent: 4985729 (1991-01-01), Sampath et al.
patent: 5200779 (1993-04-01), Nawata
Bessette, M. D., "Designing reliable paper-handling systems", Machine Design (1985), vol. 57, pp. 54-58.
Hashimoto Yukio
Kurando Shigeo
Sakagami Hidekazu
Tohnai Yoshihiro
Tsuji Hiroyuki
Milef Boris
Mita Industrial Co. Ltd.
Olszewski Robert P.
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