DEVELOPING DEVICE
First Claim
1. A developing device comprising:
- a rotatable developer carrying member configured to carry a developer;
a first chamber configured to accommodate the developer to be supplied to said developer carrying member;
a second chamber provided adjacent to said first chamber in a horizontal direction and configured to accommodate the developer collected from said first chamber and said developer carrying member;
a partition provided with a first communication opening configured to relay the developer from said first chamber into said second chamber and a second communication opening configured to relay the developer from said second chamber into said first chamber, said partition being configured to partition between said first chamber and said second chamber and constituting a collection path for collecting the developer carried on said developer carrying member into said second chamber;
a first feeding member provided in said first chamber and configured to feed the developer from said second communication opening toward said first communication opening;
a second feeding member provided in said second chamber and configured to feed the developer in said second chamber from said first communication opening toward said second communication opening;
a first regulating portion provided above said second feeding member adjacent to said second communication opening, extended in a direction crossing with said second feeding member and configured to regulate movement of the developer fed by said second feeding member; and
a second regulating portion provided above said second feeding member upstream of said first regulating member with respect to a developer feeding direction of said second feeding member, extended in a direction crossing with said second feeding member and configured to regulate movement of the developer fed by second feeding member.
1 Assignment
0 Petitions
Accused Products
Abstract
A developing device including a developer carrying sleeve; a first chamber; a second chamber; a partition having a first opening for relaying the developer from the first chamber into the second chamber and a second opening for relaying back, the partition partitioning between the chambers; a first feeder in the first chamber to feed the developer from the second opening toward the first opening; a second feeder the second chamber to feed the developer in the second chamber from the first opening toward the second opening; a first regulating portion above the second feeder, extended in a direction crossing with the second feeder to regulate movement of the developer fed by the second feeder; and a second regulating portion provided above the second feeder upstream of the first regulating member, extended in a direction crossing with the second feeder to regulate movement of the developer fed by second feeder.
9 Citations
11 Claims
-
1. A developing device comprising:
-
a rotatable developer carrying member configured to carry a developer; a first chamber configured to accommodate the developer to be supplied to said developer carrying member; a second chamber provided adjacent to said first chamber in a horizontal direction and configured to accommodate the developer collected from said first chamber and said developer carrying member; a partition provided with a first communication opening configured to relay the developer from said first chamber into said second chamber and a second communication opening configured to relay the developer from said second chamber into said first chamber, said partition being configured to partition between said first chamber and said second chamber and constituting a collection path for collecting the developer carried on said developer carrying member into said second chamber; a first feeding member provided in said first chamber and configured to feed the developer from said second communication opening toward said first communication opening; a second feeding member provided in said second chamber and configured to feed the developer in said second chamber from said first communication opening toward said second communication opening; a first regulating portion provided above said second feeding member adjacent to said second communication opening, extended in a direction crossing with said second feeding member and configured to regulate movement of the developer fed by said second feeding member; and a second regulating portion provided above said second feeding member upstream of said first regulating member with respect to a developer feeding direction of said second feeding member, extended in a direction crossing with said second feeding member and configured to regulate movement of the developer fed by second feeding member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
Specification