Patent ID: 11965379
Assignee: WATERFILLED BARRIER SYSTEMS INTERNATIONAL, INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A safety gate, comprising:
a first column, disposed on a first side of an elevator shaft;
a second column, disposed on a second side of the elevator shaft;
a first rectangular gate panel;
a second rectangular gate panel; and
a central lock insert, such that the first rectangular gate panel is coupled to the second rectangular gate panel via the central lock insert, wherein the central lock insert is U-shaped and includes a first protrusion and a second protrusion, wherein the first protrusion and the second protrusion are parallel, and wherein the first protrusion includes a first proximal portion having a square cross-section and a first distal portion having a circular cross-section and wherein the second protrusion includes a second proximal portion having a square cross-section and a second distal portion having a circular cross-section;
wherein the first protrusion engages with a flange of the first rectangular gate panel, and wherein the second protrusion engages with a flange of the second rectangular gate panel, such that the first protrusion and the second protrusion are disposed vertically between the first rectangular gate panel and the second rectangular gate panel;
wherein the first rectangular gate panel is coupled to the first column via a first locking hinge, and wherein the second rectangular gate panel is coupled to the second column via a second locking hinge.