Motorized janitorial cart with accessories

• US 5,687,443 A
• Filed: 08/18/1995
• Issued: 11/18/1997
• Est. Priority Date: 08/18/1995
• Status: Expired due to Fees

• Current Assignee: Terry D. Moore
• Original Assignee: Terry D. Moore
• Inventors: Moore, Terry D.
• Primary Examiner(s): Graham, Gary K.
• Application Number:
  US08/516,881
• Time in Patent Office: 823 Days
• Field of Search: 15/98, 15/49.1, 15/78, 15/340.1, 15/340.2, 15/81, 15/82, 15/340.3, 15/340.4, 15/87, 15/79.1, 15/79.2, 280/92, 280/96, 280/96.3, 280/62, 180/210, 180/215, 180/216, 180/211, 451/350, 451/351, 451/352, 451/353
• US Class Current: 15/98
• CPC Class Codes: A47L 11/10 motor-driven
• CPC Class Codes: A47L 11/4005 Arrangements of batteries or cells; Electric power supply arrangements
• CPC Class Codes: A47L 11/4038 Disk shaped surface treating tools
• CPC Class Codes: A47L 11/4061 Steering means; Means for avoiding obstacles; Details related to the place where the driver is accommodated
• CPC Class Codes: B62D 7/02 for pivoted bogies

Abstract

A janitorial cart is small, and narrow enough for use indoors, and will pass through conventional-width doorways. The cart is electrically powered, and the batteries are mounted very low so the lower center of gravity will stabilize the cart. The steering mechanism utilizes a single, rear wheel that can be turned about 90° in each direction to give the cart a small turning radius. Accessories can be mounted on the front and/or the rear of the cart. The preferred accessory for the front is a dust mop apparatus for dust mopping large floor areas, but it is contemplated that brushes, burnishers and carpet sweepers will also be used. The rear accessory is contemplated to be a container for materials or supplies.

Claims

1. A cart, for use as a janitorial cart, said cart comprising a frame having a top surface, a front end, a rear end and spaced sides,said top surface defining a plane, a rear end and spaced sides, said top surface defining a plane, a rear extension extending in the plane of said top surface and extending rearwardly thereof, a wheel assembly fixed to said rear extension and depending therefrom, said wheel assembly comprising a single wheel placed generally along a longitudinal centerline of said frame, a pair of wheels adjacent to said front end of said frame, one wheel of said pair of wheels being mounted on each side of said frame, a forward extension having a front and a rear, said forward extension from said front end of said frame, seating means carried on said top surface of said frame, drive means mounted to said frame for causing rotation of said pair of wheels, steering means mounted to said forward extension for selectively rotating said single wheel about a vertical axis, control means for said drive means mounted on said forward extension, a pan carried by said frame, power supply means secured within and to said pan and coupled with said drive means, and accessory attaching means selectively attaching a cleaning accessory to the front of said forward extension for cleaning a floor.

2. A cart as claimed in claim 1, said cart having a width sufficiently narrow to fit through a conventionally-sized doorway.

3. A cart as claimed in claim 2, wherein said drive means comprises an electric motor, a transmission having a pair of axles, said pair of wheels being mounted on said pair of axles, said electric motor being drivingly connected to said transmission, and said power supply means comprising batteries.

4. A cart as claimed in claim 3, and further including pivot means for connecting said seat means to said frame, the pivot means being such that said seat means can be pivoted to provide access to an interior of said frame.

5. A cart as claimed in claim 3, and further including a battery charger carried by said cart, circuit means for electrically connecting said charger to said batteries, and a power cord for energizing said charger.

6. A cart as claimed in claim 1, and further including a rear accessory attaching means for selectively attaching an accessory to said rear extension of said cart.

7. A cart as claimed in claim 1, wherein said cleaning accessory comprises a dust mop carrier including a first dust mop extending transversely of said cart, said first dust mop having a front and left and right sides, a second dust mop extending angularly to the front and left of said first dust mop, and a third dust mop extending angularly to the front and right of said first dust mop, and spring means for maintaining an orientation of said dust mops with respect to each other.

8. A cart as claimed in claim 7, said dust mop carrier further including a first arm pivoted to said carrier and carrying said first dust mop at a lower end thereof, said first arm being pivoted generally centrally of said carrier, a second arm pivoted to said carrier and carrying said second dust mop at a lower end thereof, said second arm being pivoted to a left side of said carrier, and a third arm pivoted to said carrier and carrying said third dust mop at a lower end thereof, said third arm being pivoted to a right side of said carrier.

9. A cart as claimed in claim 8, said carrier being pivoted with respect to said forward extension for lifting said dust mops from the floor, and latching means for securing said carrier in the pivoted position.

10. A cart as claimed in claim 1, said accessory attaching means comprising a pair of sleeves fixed to said forward extension, and further including rear accessory attaching means for attaching an accessory to the rear of said cart, said rear accessory attaching means comprising a pair of sleeves fixed to said rear extension.