Electrophotography – Image formation – Development
Patent
1996-10-22
1998-09-01
Beatty, Robert
Electrophotography
Image formation
Development
G03G 1501
Patent
active
058024352
ABSTRACT:
A lockout mechanism for preventing an operator from filling a toner hopper in an electrographic printing device until the hopper is at least empty enough to accept the entire contents of a toner cartridge. An interlock mechanism takes advantage of the already existing selector shaft to selectively de-activate lockout members in response to a low toner level transducer. The printing device includes a plurality of tones hoppers. Each provided with a lockout member which is pivotable between a locked out position and a refill position. The locked out position has the lockout members interfering with a connection between toner cartridges and the top of toner hoppers. The lockout members are held in their locked out positions by cam follower members, which are slidable between an upward locked out position and a downward refill position. The slider member interacts with the cam follower members, via follower pins and notches, to lock the cam follower members in their upwards position or to allow them to move down against the selector cams.
REFERENCES:
patent: 4878091 (1989-10-01), Morita et al.
patent: 5184181 (1993-02-01), Kurando et al.
patent: 5289243 (1994-02-01), Sakamoto
patent: 5313993 (1994-05-01), Corby et al.
patent: 5392102 (1995-02-01), Toyoizumi et al.
patent: 5430531 (1995-07-01), Kamiya
patent: 5610692 (1997-03-01), Trask et al.
Honda Hiroyuki
Sato Kenji
Trask Jeffrey L.
Beatty Robert
Hewlett--Packard Company
LandOfFree
Toner hopper lockout mechanism does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Toner hopper lockout mechanism, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Toner hopper lockout mechanism will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-283402