Source: http://www.google.com/patents/US7293864?dq=7,446,777
Timestamp: 2016-02-09 15:18:18
Document Index: 286695439

Matched Legal Cases: ['art 19', 'art 19', 'art 19', 'art 16', 'art 101', 'art 19', 'art 18', 'art 101', 'art 19', 'art 19', 'art 19', 'art 19', 'art 21', 'art 21', 'art 21', 'art 21', 'art 16', 'art 16', 'art 16', 'art 16', 'art 16', 'art 16', 'art 23', 'art 23', 'art 21', 'art 101', 'art 19', 'art 19', 'art 111', 'art 111', 'art 17']

Patent US7293864 - Liquid container with mounting and removal operation guide groove regulating ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsA liquid container includes a container body (2) formed with a liquid supply port (3), and a container-side fixing structure (7) which releasably regulates movement of the liquid container in an outward pulling direction in cooperation with apparatus-side fixing structure provided for the container mounting...http://www.google.com/patents/US7293864?utm_source=gb-gplus-sharePatent US7293864 - Liquid container with mounting and removal operation guide groove regulating movementAdvanced Patent SearchPublication numberUS7293864 B2Publication typeGrantApplication numberUS 10/912,885Publication dateNov 13, 2007Filing dateAug 6, 2004Priority dateAug 8, 2003Fee statusPaidAlso published asCA2476715A1, CA2476715C, CN1310766C, CN1579786A, CN1919614A, CN1919614B, DE102004038382A1, DE102004038382B4, DE602004016709D1, DE602004029947D1, EP1504908A2, EP1504908A3, EP1504908B1, EP1798044A1, EP1798044B1, EP1798045A1, EP1798045B1, EP1798046A1, EP1798046B1, EP1902844A2, EP1902844A3, EP1902844B1, EP1902845A2, EP1902845A3, EP1902845B1, US7954935, US20050068382, US20080024572Publication number10912885, 912885, US 7293864 B2, US 7293864B2, US-B2-7293864, US7293864 B2, US7293864B2InventorsHitotoshi Kimura, Taku Ishizawa, Satoshi Shinada, Takeo SeinoOriginal AssigneeSeiko Epson CorpoationExport CitationBiBTeX, EndNote, RefManPatent Citations (78), Non-Patent Citations (6), Referenced by (9), Classifications (7), Legal Events (3) External Links: USPTO, USPTO Assignment, EspacenetLiquid container with mounting and removal operation guide groove regulating movement
US 7293864 B2Abstract
10. The liquid container according to claim 1, wherein at least a part of the portion from the entrance part of the guide groove to the fixing part extends at an angle of about 30� to 50� relative to the inserting/pulling direction of the liquid container.
When the ink cartridge 1 is connected to the slider member 102, the pair of positioning projections 103 a, 103 b are inserted into the corresponding pair of positioning holes 5 a, 5 b located on the front surface of the ink cartridge 1, and the pair of cartridge-side positioning surfaces 24 a, 24 b shown in FIG. 4( d) come into contact with the pair of apparatus-side positioning surfaces 104 a, 104 b. Turning now to the pair of positioning holes 5 a, 5 b, the pair of positioning projections 103 a, 103 b, the pair of cartridge-side positioning surfaces 24 a, 24 b, and the pair of apparatus-side positioning surfaces 104 a, 104 b, it is preferable for one positioning hole 5 a, one positioning projection 103 a, one cartridge-side positioning surface 24 a, and one apparatus-side positioning surface 104 a, which are located closer to the memory device 8, to have a function of positioning the ink cartridge 1 in relation to the slider member 102 more precisely. Especially, positioning of the ink cartridge 1 in the inserting direction is precisely performed by the cartridge-side positioning surface 24 a and the apparatus-side positioning surface 104 a. As is clear from FIGS. 2D, 4B and 4D, the positioning holes 5 a and 5 b are preferably arranged so that lines passing perpendicularly through those holes themselves lie in a plane that is parallel to the bottom of the ink cartridge, and the bottom groove of the ink cartridge-side fixing structure.
A main portion (linear portion) of the entrance-side guide part 19 of the guide groove 16 is provided to extend at an angle of about 30� to 50� relative to the inserting/pulling direction. Further, an end of the entrance-side guide part 19 is formed to present a curved shape by a projection-shaped wall part 19 d. Further, an entrance slant surface 22 is formed at an entrance part 16 a of the guide groove 16,. This entrance slant surface 22 slants so that a groove depth becomes shallower in the moving direction of the fixing pin 112 that relatively moves in association with the inserting operation of the ink cartridge 1 into the cartridge mounting part 101.
Further, a deep groove forming slant surface 19 a is formed at the entrance-side guide part 19 between the entrance slant surface 22 and the fixing part 18, which slant surface 19 a slants so that the guide groove 16 becomes deeper in the moving direction of the fixing pin 112 that relatively moves in association with the inserting operation of the ink cartridge 1 into the cartridge mounting part 101. A flat part 19 b is formed between this deep groove forming slant surface 19 a and the entrance slant surface 22. Further, a flat part 19 c is formed, continuing from the deep groove forming slant surface 19 a. The depth of the guide groove 16 at the shallowest part formed by the entrance slant surface 22, that is, the groove depth of the flat part 19 b is smaller than the length of the fixing pin 112. Further, the depth of the guide groove 16 at the deepest part formed by the deep groove forming slant surface 19 a, that is, the groove depth of the flat part 19 c is larger than the length of the fixing pin 112.
Further, a curved side wall part 21 a is formed at a start end of the exit-side guide part 21, a linear slant surface 21 b is formed continuing from this curved side wall part 21 a, and further, a linear flat part 21 c is formed continuing from the slant surface 21 b. Further, an exit part 16 b of the guide groove 16 is connected to the entrance part 16 a, whereby the guide groove 16 forms a loop as a whole. In the connection part between the entrance part 16 a and the exit part 16 b, the groove depth of the exit part 16 b is shallower than the groove depth of the entrance part 16 a, whereby a step part 23 (shown in FIG. 16B) is formed at the connection part. This step part 23 prevents the fixing pin 112 from entering the flat part 21 c when the ink cartridge 1 is inserted into the cartridge mounting part 101.
When the ink cartridge 1 is further pushed in the inserting direction X, the fixing pin 112 passes through the flat part 19 b, and moves in the groove depth direction (position C in FIG. 17), sliding on the deep groove forming slant surface 19 a. When the fixing pin 112 passes through the deep groove forming slant surface 19 a and comes to the position of the flat part 19 c (position D in FIG. 17), the peripheral edge part of the top surface of the pin attaching part 111 fits to the edge part of the guide groove 16 and is pressed against this edge part. This is because of the continuing elastic deformation produced in the turn lever member 108 when the fixing pin 112 passes through the entrance slant surface 22 and which is still present at this time. By thus fitting the peripheral edge part of the top surface of the pin attaching part 111 to the edge part of the guide groove 16, it is possible to prevent the turn lever member 108 from coming into contact with the surface including the edge part of the guide groove 16 (bottom surface of the recess part 17), thereby preventing the fixing pin 112 from rising out of the guide groove 16.
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