Self contained high pressure hot water cleaning system for grocery carts

• US 4,807,319 A
• Filed: 08/24/1987
• Issued: 02/28/1989
• Est. Priority Date: 08/24/1987
• Status: Expired due to Term

• Current Assignee: David Blackwell, Randall O. Skorheim, Robert E. Erickson
• Original Assignee: Anton Poitevin
• Inventors: Poitevin, Anton
• Primary Examiner(s): Simone, Timothy F.
• Assistant Examiner(s): Stinson, Frankie L.
• Application Number:
  US07/089,353
• Time in Patent Office: 554 Days
• Field of Search: 134/61, 134/70, 134/72, 134/95, 134/99, 134/107, 134/123, 134/131, 134/133, 134/144, 134/155, 134/172, 134/200, 15/21 C, 15/21 D, 15/53 AB
• US Class Current: 15/88.3
• CPC Class Codes: B60S 3/00 Vehicle cleaning apparatus not integral with vehicles cleaning in general B08B; cleaning peculiar to waterborne vessels B63B57/00, B63B59/00; ground equipment for cleaning aircraft B64F5/30
• CPC Class Codes: E04B 1/34336 Structures movable as a whole, e.g. mobile home structures vehicles comprising living accommodation for people, e.g. caravans, camping or like vehicles B60P3/32
• CPC Class Codes: E04H 3/04 Restaurants or shops having arrangements for self-service

Abstract

A self contained high pressure hot water cleaning system for grocery carts is disclosed in which a trailer mounted fully enclosed system allows the automatic passage of individual grocery carts from one end to the other by the use of a conveyor passing through a wash tunnel having spray nozzles. The wash tunnel also provides a pair of rotating brushes, a spent fluid holding tank, a cleaning fluid supply tank, a sanitizing fluid supply tank, associated pumps as well as a heater for heating the cleaning fluid. The self contained system further provides a hand operated wand at the entrance of the wash tunnel to allow an operator to remove difficult accumulation of grime from the grocery carts. A lifting table and exit ramp is also provided.

Claims

1. A mobile self contained high pressure hot water cleaning systm for grocery carts comprising:

a mobile frame means;

an enclosure mounted on said frame means for receiving the grocery cart therein;

a holding tank mounted on said frame means within said enclosure;

a wash tunnel having a first set of spray nozzles and a second set of spray nozzles spaced downstream of the first set of spray nozzles;

said wash tunnel mounted above said holding tank within said enclosure;

cleaning brushes rotatably mounted in the tunnel for engaging and dislodging foreign particles from the grocery cart;

a conveyor means mounted within said wash tunnel for conveying the grocery cart through said tunnel past the first and second set of spray nozzles and the brushes;

a supply tank having a cleaning fluid within said enclosure wherein said supply tank is in fluid communication with said first set of spray nozzles;

a supply tank having a sterilizing fluid within said enclosure wherein said second fluid supply tank is in fluid communication with said second set of spray nozzles;

a drain means within said wash tunnel means wherein said drain means is in fluid communication with said holding tank means;

a first pump means operably connected to pump said cleaning fluid to the first set of nozzles to clean the grocery cart;

a second pump means operably connected to pump said sterilizing fluid to the second set of nozzles to sterilize the cleaned grocery cart; and

a heater means operably connected to heat said first fluid.

2. The mobile self contained high pressure hot water cleaning system for grocery carts as described in claim 1 wherein said wash tunnel includes an entrance end and an exit end and wherein said first set of nozzles is mounted closer to said entrance of said wash tunnel means and wherein said second set of spray nozzles is mounted downstream of the first set of spray nozzles closer to said exit end of said wash tunnel.

3. The mobile self contained high pressure hot water cleaning system for grocery carts as described in claim 2 further comprising a cart lift means at said wash tunnel entrance means for lifting the grocery cart to said entrance.

4. The mobile self contained high pressure hot water cleaning system for grocery carts as described in claim 3 wherein said cleaning fluid is comprised of a detergent water solution.

5. The mobile self contained high pressure hot water cleaning system for grocery carts as described in claim 3 wherein said grocery cart lift means is hydraulically actuated.

6. The mobile self contained high pressure hot water cleaning system for grocery carts as described in claim 5 further comprising a wheel means attached to said frame means whereas said frame means and said wheel means constitute a trailer adapted to a prime mover.

7. The mobile self contained high pressure hot water cleaning system for grocery carts as described in claim 1 further comprising a high pressure hand operated wand attached to said frame means and operably connected to said first fluid wherein said wand means comprises a grocery cart prewash.

8. The mobile self contained high pressure hot water cleaning system for grocery carts as described in claim 7 wherein said holding tank means is comprised of a shallow floor mounted tank lying atop said frame means and being in fluid communication with said drain means.

9. The mobile self contained high pressure hot water cleaning system for grocery carts as defined in claim 1 wherein said conveyor means is comprised of a continuous belt and a plurality of rollers driven by an electric motor.