Drainage channel with cover member
Abstract
Abstract 1. A drainage channel comprising a channel body (10) formed in one piece from polyester concrete and having a bottom (11) and two side walls (12, 13) spaced from each other, a cover member (18) supported on the abutment surfaces of the side walls (12, 13) and closing the upper surface of the channel body (10), and at least one interlocking element (24) in engagement with both side walls (12, 13) having a threaded bolt (25) passed through an opening in the cover member (18) and actuable from the upper surface of the cover member (18) engaging therein, characterized in that the interlocking element comprises a bar (24) in the form of a toggle which is pivotable by rotation of the threaded bolt (25), and in that at least two recesses (21, 22) opposite to each other are formed in the channel body (10) in such a manner that the toggle-like bar (24) is capable of being respectively pivoted into or out of the recesses (21, 22) by its ends upon rotation of the bolt (25).
Inventors
- 👤 Peter Karbstein
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.