Patent ID: 8657767

Claim:
An orthopedic boot comprising: a foot support; and two leg supports are respectively connected adjustably to the foot support via two joint assemblies, wherein each joint assembly is mounted between the foot support and a corresponding one of the leg supports and comprising a securing panel mounted securely on the foot support and having two curved engaging grooves each having multiple engaging cavities formed in and along an inner surface of the engaging groove; a connecting panel mounted securely to a corresponding leg support and pivotally connected to the securing panel; a guide panel mounted securely on the foot support and having a curved guiding groove aligning with the engaging grooves in the securing panel; two limiting members being resilient and pivotally mounted on the connecting panel, and each limiting member having a pivoting end connected pivotally to the connecting panel; a locking end opposite to the pivoting end; a resilient segment formed between the pivoting end and the locking end; an engaging pin mounted at a position between the resilient segment and the locking end, mounted slidably in one of the engaging grooves in the securing panel, engaging one of the engaging cavities in a corresponding engaging groove and selectively abutting the connecting panel; and a locking tab formed on and protruding from the locking end of the resilient member and being spaced from a periphery of the guide panel to define a locking gap between the locking tab and the periphery of the guide panel; and two holding members mounted slidably on the guide panel along the guiding groove, held respectively in the locking gaps between the periphery of the guide panel and the locking tabs and abutting respectively against the locking tabs on the limiting members, wherein each holding member of each joint assembly has a U-shaped cross section; an abutting segment abutting against the locking tab on a corresponding limiting member of the joint assembly to hold the corresponding limiting member at a locked condition; and a lip formed on one end of the holding member and is mounted slidably in the guiding groove in the guide panel of the joint assembly.