| 主权项 |
1. An oven appliance, comprising:
a cabinet defining an oven cavity for the receipt of food items for cooking, the cabinet comprising a pair of opposing side walls, a rear wall, and an opening for accessing the oven cavity; a pair of primary rack gears, each primary rack gear positioned adjacent one of the opposing side walls and extending along a vertical direction, each primary rack gear comprising a plurality of gear teeth arranged along the vertical direction; a pair of slides, each slide positioned adjacent one of the opposing side walls, proximate to one of the primary rack gears and extending along a vertical direction; a pair of runners, each runner slidably received into one of the slides and configured for sliding movement along the vertical direction on the slides; a pair of positioning cars, each positioning car connected to one of the runners along a first side of the positioning car, each of the positioning cars comprising
a pivot arm carried by a second side of the car, the pivot arm rotatable relative to the second side of the car;a primary boss extending from the pivot arm; a latch mechanism connected with the pivot arm of one or both of the pairs of positioning cars, the latch mechanism configured for selectively causing the pivot arm of each car to rotate relative to such car so that each primary boss can be moved between
a first position wherein the primary boss is engaged with at least one of the plurality of teeth of one of the primary rack gears so as to fix the latch mechanism at a selected position along the vertical direction, anda second position wherein the primary boss is disengaged from the plurality of teeth of one of the primary rack gears so that the latch mechanism may be moved to another selected position along the vertical direction by sliding the pair of positioning cars along the vertical direction; and a rack extending between the opposing side walls, the rack supported upon the latch mechanism. |
