Lagrama Lift Arm Cluster
A steel lift arm cluster for one side of a lift up bed base, with a fixed bar, a spring body and rod, a hinge set and two brackets.
Details
Category: Beds › Single-Level Beds › Bed Lift Mechanisms
By Huu Khanh Nguyen · Updated November 9, 2026
Parameters
| Name | Default | Unit |
|---|---|---|
| Width | 54.9 | mm |
| Length | 1040 | mm |
| Height | 176 | mm |
| Lift Angle | 0 | ° |
| bodyDirection | Math.atan2(250.45 * Math.sin(angle * Math.PI / 180), 457.5 - 250.45 * Math.cos(angle * Math.PI / 180)) + Math.acos((Math.pow(Math.hypot(368.75, 91.87), 2) + Math.pow(Math.hypot(457.5 - 250.45 * Math.cos(angle * Math.PI / 180), 250.45 * Math.sin(angle * Math.PI / 180)), 2) - Math.pow(Math.hypot(161.7, 91.87), 2)) / (2 * Math.hypot(368.75, 91.87) * Math.hypot(457.5 - 250.45 * Math.cos(angle * Math.PI / 180), 250.45 * Math.sin(angle * Math.PI / 180)))) | |
| armPinY | 60 + Math.hypot(368.75, 91.87) * Math.cos(bodyDirection) + 250.45 * Math.cos(angle * Math.PI / 180) | mm |
| armPinZ | 12.5 + Math.hypot(368.75, 91.87) * Math.sin(bodyDirection) - 250.45 * Math.sin(angle * Math.PI / 180) | mm |
| rodPinY | 60 + 37.38 * Math.cos(bodyDirection - Math.atan2(91.87, 368.75)) - 9.32 * Math.sin(bodyDirection - Math.atan2(91.87, 368.75)) | mm |
| rodPinZ | 12.5 + 37.38 * Math.sin(bodyDirection - Math.atan2(91.87, 368.75)) + 9.32 * Math.cos(bodyDirection - Math.atan2(91.87, 368.75)) | mm |
| endPinY | armPinY - 344.5 * Math.cos(angle * Math.PI / 180) | mm |
| endPinZ | armPinZ + 344.5 * Math.sin(angle * Math.PI / 180) | mm |
| strutDirection | Math.atan2(endPinZ - rodPinZ, endPinY - rodPinY) |