Three Crunk Manual Hospital Bed

A three-crank manual hospital bed is designed to allow independent adjustment of key patient positions using hand cranks—no electricity needed. Key adjustments (3 cranks): Backrest elevation – sitting / Fowler’s position Knee/leg rest elevation – comfort & pressure relief Height adjustment – raises or lowers the entire bed Standard features: Strong steel frame with epoxy powder coating ABS or metal side rails (foldable or collapsible) Manual crank handles (usually foldable) Castor wheels with brakes (often 4) IV pole provision Mattress platform (4 or 5 sections) Typical specifications: Bed size: ~ 2100 × 900 mm Height range: approx. 450–750 mm (varies by model) Load capacity: 180–250 kg Mattress size: standard hospital mattress