Patent ID: 8955648
Filing Date: 2015-02-17
Classification: B66B

Abstract:
1. A dumbwaiter, comprising: an elevator mechanically coupled to a left glide and a right glide; a left strap roller mechanically coupled to the left glide and the elevator; a right strap roller mechanically coupled to the right glide and the elevator; a cabinet having a left wall and a right wall facing each other, and a pair of left guides joined to the left wall and a pair of right guides joined to the right wall opposite to the pair of right guides, the left glide being immediately adjacent to and located between left guides, and the right glide being immediately adjacent to and located between right guides; a strap having a first end mechanically coupled to the cabinet in a vicinity of the left guides, and a second end being mechanically coupled to a pulley located proximate to the right guides, the strap running from the first end via the pulley, alongside the right glide, under the elevator, between the left guides, to the second end, and being immediately adjacent to the right strap roller and the left strap roller; and a motor coupled to the pulley and configured for turning the pulley so as to wind and unwind the strap around the pulley, in order to raise the elevator by winding the strap and lower the elevator by unwinding the strap; wherein the cabinet further comprises a lift top, the lift top being a cover which covers at least part of the cabinet's top and is openable to provide access to the elevator; and wherein the glides are configured for protruding upward from the cabinet when a height of the elevator is larger than predetermined height and for pushing the lift top upward, thus facilitating an opening of the lift top.