초록 ▼

A dish rack is supported for both selective movement into and out of a washing chamber of a dishwasher tub and vertically relative to the tub, with the vertical adjustment being made by manually grasping and shifting at least one frontal cross bar extending along a front wall of the dish rack to cau

A dish rack is supported for both selective movement into and out of a washing chamber of a dishwasher tub and vertically relative to the tub, with the vertical adjustment being made by manually grasping and shifting at least one frontal cross bar extending along a front wall of the dish rack to cause pivoting of first and second lever members extending along sides of the dish rack. The side lever members cooperate with latching mechanisms to lift and retain the dish rack in a select raised position.

대표청구항 ▼

1. A dishwasher comprising: a tub having top, bottom, rear and side walls that collectively define a washing chamber;a door mounted for movement relative to the tub, said door being adapted to selectively close the washing chamber;at least one support member mounted to the side wall of the tub;a dis

1. A dishwasher comprising: a tub having top, bottom, rear and side walls that collectively define a washing chamber;a door mounted for movement relative to the tub, said door being adapted to selectively close the washing chamber;at least one support member mounted to the side wall of the tub;a dish rack having front, rear, bottom, and side walls, said dish rack supported by the at least one support member for movement into and out of the washing chamber; andan adjustment mechanism for vertically shifting the dish rack between lowered and raised positions relative to both the at least one support member and the tub, said adjustment mechanism including: a base member fixably mounted to the dish rack, said base member including a lower body portion connected to the at least one support member and an upper body portion;a shiftable support body secured to the rack and mounted for vertical movement relative to the upper body portion of the base member;at least one control arm including a lever member extending along a side wall of the dish rack, pivotally supported by the base member, engaging at least one of the dish rack and the shiftable support body, and connected to a frontal cross bar extending along a front wall of the dish rack whereby manually grasping and moving the frontal cross bar causes pivoting of the lever member and vertical shifting of the dish rack; anda latching mechanism for retaining the dish rack in at least the raised position. 2. The dishwasher according to claim 1, wherein the shiftable support body includes an outer body member and an inner body member, said upper body portion of the base member being sandwiched between the outer and inner body members. 3. The dishwasher according to claim 2, wherein the latching mechanism is arranged between the outer and inner body members of the shiftable support body. 4. The dishwasher according to claim 1, wherein the latching mechanism operates between the base member and the shiftable support body. 5. The dishwasher according to claim 4, wherein the latching mechanism includes at least one pivotally mounted latch element. 6. The dishwasher according to claim 5, wherein the latching mechanism includes a latch housing pivotally supporting the latch element, and a detent mechanism for retaining the latch element in a select operational position. 7. The dishwasher according to claim 6, wherein the detent mechanism includes a spring for biasing rotation of the latch element. 8. The dishwasher according to claim 7, wherein the latching mechanism further includes a retainer element mounted for vertical movement with the dish rack, with the latch element being configured to pass through the retainer element when the dish rack is shifted between the lowered and raised positions. 9. The dishwasher according to claim 5, wherein the latching mechanism further includes a retainer element mounted for vertical movement with the dish rack, and the at least one pivotally mounted latch element includes first and second latch arms which are limited to different permissible degrees of rotation, said retainer element passing the first latch arm and being held by the second latch arm when the dish rack is shifted from the lowered position to the raised position. 10. The dishwasher according to claim 4, wherein the latching mechanism further includes a retainer element mounted for vertical movement with the dish rack and a camming unit provided on the base member, said camming unit including a first camming surface leading to a ledge, with said retainer element being guided along the first camming surface when the dish rack is shifted from the lower position to the upper position and supported by the ledge to selectively retain the dish rack in the upper position. 11. The dishwasher according to claim 1, wherein the latching mechanism is attached to the dish rack and is configured to selectively hold the at least one control arm in a lowered state in order to retain the dish rack in the raised position. 12. The dishwasher according to claim 11, wherein the latching mechanism is attached to the front wall of the dish rack and includes deflecting retainer elements which engage the front cross bar when the at least one control arm is in the lowered state. 13. The dishwasher according to claim 1, wherein the at least one control arm includes first and second lever members each extending along a respective one of the side walls of the dish rack, said frontal cross bar extending entirely across the front wall of the dish rack and interconnecting the first and second lever members for concurrent movement upon shifting of the frontal cross bar. 14. The dishwasher according to claim 1, wherein the at least one control arm includes first and second lever members each extending along a respective one of the side walls of the dish rack, said frontal cross bar including first and second cross bar segments each extending only partially across the front wall of the dish rack, being spaced from each other, and being directly connected to only a respective one of the first and second lever members such that the first and second lever member are individually pivoted through manual manipulation of the first and second cross bar segments. 15. The dishwasher according to claim 1, wherein the adjustment mechanism further includes a pivot support bracket fixed to the base member, said lever member being directly pivotally connected to the pivot support bracket. 16. The dishwasher according to claim 15, wherein the pivot support bracket is located between the front wall of the dish rack and the shiftable support body. 17. The dishwasher according to claim 15, wherein the shiftable support body is located between the front wall of the dish rack and the pivot support bracket.