| 摘要 |
A bead breaker device ( 1 ) having an arm ( 2 ) able to slide horizontally along a sliding axis (X-X), in a pipe ( 3 ) supported so that it can slide vertically on a post ( 4 ) projecting cantilevered from a base; an orientable bead breaker tool ( 10 ) associated with an end of said arm ( 2 ) and suitable for breaking the bead of a tire of a wheel removably fixed onto rotary support and locking apparatus of the rim; an actuating device ( 14, 15, 17 ) suitable for orienting said tool ( 10 ) between a first thrusting configuration and a second penetration configuration, said actuating device ( 14, 15, 17 ) including a thrusting body ( 14 ) and an elastic element ( 17 ) cooperating with said tool ( 10 ), said thrusting body ( 14 ) being able to be actuated between a first extension position against the action of said elastic element ( 17 ) and a second release position in which the force exerted by said elastic element ( 17 ) prevails.
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