| Patent Number |
Title Of Patent |
Date Issued |
| D479267 |
Ring binder |
September 2, 2003 |
|
| D448045 |
Ring binder having a torsionally stiffened blade |
September 18, 2001 |
|
| D423045 |
Metal ring binder |
April 18, 2000 |
|
| D420700 |
Metal ring binder with an embossed surface |
February 15, 2000 |
|
| 7293932 |
Lever arch binder mechanism with complementary ring tips |
November 13, 2007 |
| A ring binder mechanism has D-shaped rings formed by a straight, stationary part, and a movable mating part having an arcuate shape. A recess is formed in the tip of the movable part, and a protrusion at the tip of the stationary part seats in the recess. A lateral window in the rece |
| 6916134 |
Safety ring binder having sliding actuators |
July 12, 2005 |
| A safety ring binder mechanism helps prevent finger pinching by requiring simultaneous opposite movement of sliding actuators at both ends of the mechanism in order to open and close the rings. When the actuators are outermost, dimples on the actuators press the blades of the device agai |
| 6637968 |
Three-ring binder with actuating crank |
October 28, 2003 |
| A three-ring binder has an actuator crank which closes the rings against the bias of a leaf spring. The crank is turned by means of a lever having a roller thereon that engages a throw of the crank. The roller is arranged on the lever so that it goes past center and locks the rings close |
| 6206601 |
Locking booster ring binder mechanism |
March 27, 2001 |
| A loose-leaf binder mechanism has a housing containing a pair of pivotally mounted hinge plates each carrying a series of spaced prongs. The hinge plates toggle between open and closed positions under the control of an actuating lever. One portion of the lever is selectively moveable int |
| 6179507 |
Permanently locking ring binder |
January 30, 2001 |
| A permanently locking ring binder includes a housing, a pair of hinged plates within the housing, each supporting a plurality of ring segments arranged so that, when the plates are in one position, the ends of the ring segments are spaced apart, so that one can insert loose-leaf papers |
| 6045286 |
Metal ring binder with auxiliary springs |
April 4, 2000 |
| A metal ring binder is improved by adding at least one auxiliary spring for supplementing the spring action of the spine upon the blades to which the rings are attached, so as to increase the closing force of the rings. |
| 5964544 |
Ring binder assembly |
October 12, 1999 |
| A ring binder assembly includes a folder comprising front and rear flaps interconnected by a spine, a pair of low-profile receptacles attached to an inner surface of the spine, and a ring mechanism whose tubular rivets have mushroomed feet designed to be seated in the receptacles. The |
