A leg/elbow fixing device including a support bar having two connecting
sections and two bracket assemblies fixable on the leg or elbow of a
user. The bracket assemblies are adjustably located on the connecting
sections of the support bar. Each bracket assembly includes a locating
mechanism having a cavity in which the connecting section of the support
bar is fitted. A receptacle is formed on top face of the cavity. A
locating assembly is received in the receptacle. Each connecting section
of the support bar is formed with notches. The locating assembly includes
two arresting members each having a projecting block engaged with any of
the notches of the support bar. The locating assembly further includes a
restoring member compressed between the arresting members and a stop
section. The stop section includes an upper cover and a cover member. The
cover member is fixed in the receptacle for preventing the arresting
members and restoring member from bounding out. The upper cover has two
engaging blocks locked in the restricting holes of the arresting members
for locating the bracket assemblies on the support bar.