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Class Information
Number: 402/38
Name: Binder device releasably engaging aperture or notch of sheet > Sheet retainer travels arcuate path > Travel in plane perpendicular to axis of rotation > Opposed sheet retainers (e.g., ring binders, etc.) > Hinged on spaced axes > Toggle-type arrangement > With actuator to open or close retainers
Description: Device supplemented by a cam or lever element to force the oppositely disposed sheet retainers toward or away from one another.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7597498 |
Positive lock ring binder mechanism |
Oct. 6, 2009 |
| 7549817 |
Ready lock ring binder mechanism |
Jun. 23, 2009 |
| 7530755 |
Easy open ring binder |
May. 12, 2009 |
| 7524127 |
Ring binder mechanism |
Apr. 28, 2009 |
| 7524128 |
Ring binder mechanism spring biased to a locked position |
Apr. 28, 2009 |
| 7513708 |
Ring binder mechanism having slide connector |
Apr. 7, 2009 |
| 7491006 |
Easy open ring binder |
Feb. 17, 2009 |
| 7404685 |
Ring binder mechanism spring biased to a locked position when ring members close |
Jul. 29, 2008 |
| 7331732 |
Loose-leaf binding tool |
Feb. 19, 2008 |
| 7296946 |
Ring binder mechanism |
Nov. 20, 2007 |
| 7275886 |
Positive lock ring binder mechanism |
Oct. 2, 2007 |
| 7270496 |
Ring mechanism for a ring binder |
Sep. 18, 2007 |
| 7241067 |
Ring mechanism having blunt ends |
Jul. 10, 2007 |
| 7223040 |
Binder |
May. 29, 2007 |
| 7134800 |
Loose-leaf binder with lock |
Nov. 14, 2006 |
| 7077595 |
Spine binder |
Jul. 18, 2006 |
| 7021852 |
Article holder |
Apr. 4, 2006 |
| 6994377 |
Sheet binding system |
Feb. 7, 2006 |
| 6916134 |
Safety ring binder having sliding actuators |
Jul. 12, 2005 |
| RE38731 |
Ring binder |
May. 3, 2005 |
| 6758621 |
Ring binder mechanism |
Jul. 6, 2004 |
| 6749357 |
Ring binder mechanism |
Jun. 15, 2004 |
| 6746171 |
Modular ring binder assembly with removable rivets |
Jun. 8, 2004 |
| 6540260 |
Photograph album page, spine and system |
Apr. 1, 2003 |
| 6536980 |
Ring binder having actuating lever with cushion member |
Mar. 25, 2003 |
| 6533486 |
Ring binder having actuating lever with cushion member |
Mar. 18, 2003 |
| 6511244 |
Binder |
Jan. 28, 2003 |
| 6474897 |
Ring binder having actuating lever with cushion member |
Nov. 5, 2002 |
| 6467984 |
Ring binder having actuating lever with cushion member |
Oct. 22, 2002 |
| 6364558 |
Ring binder having actuating lever with cushion member |
Apr. 2, 2002 |
| 6293722 |
Binder Mechanism |
Sep. 25, 2001 |
| 6280114 |
Ring binder having actuating lever with cushion member |
Aug. 28, 2001 |
| 6270280 |
Spine binder |
Aug. 7, 2001 |
| 6270279 |
Ring binder mechanism |
Aug. 7, 2001 |
| 6217247 |
Ring binder mechanism |
Apr. 17, 2001 |
| 6206601 |
Locking booster ring binder mechanism |
Mar. 27, 2001 |
| 6203229 |
Bolt action ring binder assembly |
Mar. 20, 2001 |
| 6146042 |
Sheet retaining device and method of packaging sheet retaining devices |
Nov. 14, 2000 |
| 6116804 |
Binder security lock |
Sep. 12, 2000 |
| 6062760 |
Modular binder ring construction |
May. 16, 2000 |
| 6036394 |
Ring metals with linkage locking device |
Mar. 14, 2000 |
| 5975784 |
Bolt action ring binder |
Nov. 2, 1999 |
| 5971649 |
Ring binder mechanism |
Oct. 26, 1999 |
| 5957611 |
Ring binder with dual angle ring metal |
Sep. 28, 1999 |
| 5904435 |
Locking booster ring binder mechanism |
May. 18, 1999 |
| 5895164 |
Paper binding device |
Apr. 20, 1999 |
| 5879097 |
Ring binder |
Mar. 9, 1999 |
| 5868513 |
Ring binder |
Feb. 9, 1999 |
| 5846013 |
Ring binder |
Dec. 8, 1998 |
| 5842807 |
Ring binder |
Dec. 1, 1998 |
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