| 摘要 |
A tire balancing and changing device (10) has a pair of support surfaces (12, 14) and rotatable drums (42, 44) for contacting a vehicle's tires and wheels (50, 52) to balance and/or change the tires and wheels while on the vehicle (17). The device includes pairs of dowels (32, 34) for mounting and dismounting tires. The drums and pairs of dowels are operated by drive motors (31, 46, 48) that translate the dowels and rotate the tires and wheels. The drums include sensors (49) for balancing tires and wheels. With a vehicle positioned on the support surfaces and the weight of the vehicle removed from the tires by jacks (58, 60), the tires on the vehicle are deflated, removed, replaced and reinflated. The drums are moved into contact with the inflated tires to rotate the tires and wheels to balance them on the vehicle.
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