Patent attributes
A stepless height-adjustable grill, an inclined rail is disposed on one side of a base body, and a corresponding connecting rod is provided with a slidable height fixing slider which is positioned on the inclined rail. The inclined rail is provided with a lock-up edge, while the height fixing slider is provided with a lock; when the height fixing slider is positioned on the inclined rail, the lock is interlocked with the lock-up edge by means of the spring force of a spring to position the height fixing slider on the inclined rail. The lock is provided with a release portion which overcomes the spring force of the spring to release the interlocking between the lock and the lock-up edge. The interlocking between the lock and the lock-up edge can be released by operating the release portion, and the upper cover component can be freely lifted by a handle.