Mag brush housing with detachable sump section
Patent 3981272 Issued on September 21, 1976. Estimated Expiration Date: 
September 21, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 21, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3337072 3927640 InventorsAssigneeApplicationNo. 05/525528 filed on 11/20/1974US Classes:399/110, Modular or displaceable399/257PurgingExaminersPrimary: Peters, Joseph F. Jr.Assistant: LaBarre, James International ClassesG03G 15/09 (20060101)G03G 15/08 (20060101) AbstractA magnetic brush development system for developing latent electrostatic images carried by a photoconductively coated substrate has a split housing comprising a movable section with a sump for storing a supply of developer, a stationary section including one or more development rolls which are fed with developer from the sump to carry out the development process, a latching mechanism for releasably securing the movable section of the housing to the stationary section, and a flow gate which is interlocked with the latching mechanism so that the flow gate is closed to interrupt the flow of developer from the sump whenever the latch is released. | |
