초록 ▼

A tool box includes a body with drawers and the body is rotatably connected to a base. A brake unit is received in the base and includes a first board fixed to the base and a second board movably located on the first board by connection plates pivotably connected between the first and second boards.

A tool box includes a body with drawers and the body is rotatably connected to a base. A brake unit is received in the base and includes a first board fixed to the base and a second board movably located on the first board by connection plates pivotably connected between the first and second boards. A brake disk is rotatably located on the first board and the shaft is securely connected to the brake disk so that the brake disk is co-rotated with the body. The second board is controlled to move and contact the brake disk on the first board by a clutch pedal. When the second board contacts the brake disk, the body together with the base is moved as one piece, and when the second board is disengaged from the brake disk, the body can be rotated independently relative to the base.

대표청구항 ▼

What is claimed is: 1. A tool box comprising: a body; a base having a sidewall extending therefrom, a shaft having a first end rotatably connected to the base and a second end of the shaft connected to an underside of the body, and a brake unit received in the base and including a first board fixed

What is claimed is: 1. A tool box comprising: a body; a base having a sidewall extending therefrom, a shaft having a first end rotatably connected to the base and a second end of the shaft connected to an underside of the body, and a brake unit received in the base and including a first board fixed to the base and a second board movably located on the first board by connection plates pivotably connected between the first and second boards, a brake disk rotatably located on the first board, the shaft securely connected to the brake disk which is co-rotated with the body, the second board being controlled to move and contact the brake disk on the first board by a clutch pedal. 2. The tool box as claimed in claim 1, wherein the first board includes a shaft hole and the second board includes a through hole, the second end of the shaft extends through the through hole, the brake disk and is rotatably engaged with the shaft hole, an inner diameter of the through hole is larger than an outer diameter of the shaft. 3. The tool box as claimed in claim 1, wherein a plurality of springs are connected between the first and second boards so as to normally pull the second board to contact with the brake disk. 4. The tool box as claimed in claim 1, the second board includes first brake shoes and the brake disk includes second brake shoes which are in contact with the first brake shoes when the second board is in contact with the brake disk. 5. The tool box as claimed in claim 1, wherein the clutch pedal has a first end pivotably inserted through the sidewall of the base and a second end of the clutch pedal is located outside of the sidewall of the base, the first end of the clutch pedal is located beneath the second board so that when the second end of the clutch pedal is pivoted downward, the first end of the clutch pedal pushes the second board to remove the second board from the brake disk. 6. The tool box as claimed in claim 1, wherein a support is connected to an inside of the sidewall and supports the first end of the clutch pedal. 7. The tool box as claimed in claim 1, wherein three drawers is slidably received in the body. 8. The tool box as claimed in claim 1, wherein a plurality casters are connected to an underside of the base. 9. The tool box as claimed in claim 1, wherein a recess is defined in an inside of the base and a bearing is received in the recess, the first end of the shaft is connected to the bearing.