Climbing exerciser machine with adjustable inclination

A climbing exercise machine, comprising:

• a frame comprising a base and a support fixedly mounted at said base;
• an exercising unit comprising a pair of arm members respectively pivotally mounted to said support of said frame and alternatively movable back and forth relative to said frame, each said arm member comprising a pivot-connection portion located at a top end thereof and pivotally connected to said support and a swinging portion located at an opposing bottom end thereof;
• a pedal unit comprising a pair of pedal shafts respectively pivotally connected to said arm members of said exercising unit, each said arm member comprising a front end portion located at a front end thereof and pivotally connected to said swinging portion of a respective one of said arm members and a rear end portion located at an opposite end thereof;
• a damper adapted for imparting damping to said pedal shafts, said damper comprising a rotatable wheel, said rotatable wheel comprising an axle pivotally connected to said frame;
• a guide unit comprising a pair of cranks respectively fixedly connected to two opposite ends of said axle of said rotatable wheel and adapted for driving said rotatable wheel to rotate, a pair of rockers respectively pivotally connected to said cranks and a pair of links respectively pivotally connected to said rockers, each said rocker comprising a middle pivoting portion located at a middle part thereof and pivotally connected to a respective one of said cranks, a rear pivoting portion located at a rear end thereof and pivotally connected to said rear end portion of a respective one of said pedal shafts of said pedal unit and a front pivoting portion located at an opposing front end thereof and pivotally connected to a respective one of said links, each said link having one end thereof pivotally connected to said front pivoting portion of a respective one of said rockers and an opposite end thereof terminating in a constrained end portion;
• and
• an adjusting unit mounted at said frame and operable to move said constrained end portions of said links relative to said support to further adjust the distance between said rear pivoting portions of said rockers and said base.