Dust collector

A dust collector, comprising:

• a housing containing a motor and a dust-collection chamber configured to hold dust collected when the motor is driven, the housing further including a rear-surface side configured to face a back side of a user when the housing is being carried on the user's back, a front-surface side opposite the rear-surface side, a top end and a bottom end located below the top end when the housing is being carried on the user's back,
• a first battery-holding part at the bottom end of the housing,
• shoulder belts directly or indirectly attached to the housing and configured to be slung over both shoulders of a user in order to carry the housing on the user's back,
• an external cord extending downwardly from the bottom end of the housing, and
• an operation unit mounted at a distal end of the external cord.

A dust collector, comprising:

• a housing containing a motor and a dust-collection chamber configured to hold dust collected when the motor is driven, the housing further including a rear-surface side configured to face a back side of a user when the housing is being carried on the user's back, a front-surface side opposite the rear-surface side, a top end and a bottom end located below the top end when the housing is being carried on the user's back,
• a first battery-holding part at the bottom end of the housing,
• shoulder belts directly or indirectly attached to the housing and configured to be slung over both shoulders of a user in order to carry the housing on the user's back,
• an external cord extending from the bottom end of the housing, and
• a flashlight mounted at a distal end of the external cord, the flashlight including a light configured to illuminate a surface in front of the user and a first switch for turning on the light and a second switch for turning on the dust collector motor.