Extraction cleaner with tank retention

A liquid extraction cleaner for cleaning a surface and including a cleaner housing, the extraction cleaner further comprising:

• a liquid extraction system mounted to the cleaner housing and including:
• a suction nozzle having a nozzle opening;
• a recovery tank including a tank housing having an inlet opening in the tank housing;
• a suction conduit in communication with the suction nozzle and the inlet opening to the recovery tank;
• a vacuum source;
• and
• a working air conduit in open communication with the vacuum source, the recovery tank and the suction nozzle, whereby the vacuum source can draw liquid and debris through the suction nozzle and the suction conduit and to the recovery tank in which the liquid and debris are deposited;
• and
• a liquid dispensing system mounted to the cleaner housing and including:
• a cleaning fluid supply tank;
• at least one spray nozzle having an outlet opening for spraying cleaning fluid onto the surface to be cleaned;
• a supply conduit interconnecting the cleaning fluid supply tank and the spray nozzle for supplying cleaning fluid to the spray nozzle;
• the improvement comprising:
• a forwardly projecting cavity formed in a front portion of the housing and a rearward portion of the recovery tank is received in the forwardly projecting cavity.

A liquid extraction cleaner for cleaning a surface and including a cleaner housing, the extraction cleaner further comprising:

• a liquid extraction system mounted to the cleaner housing and including:
• a suction nozzle having a nozzle opening;
• a recovery tank including a tank housing having an inlet opening in the tank housing;
• a suction conduit in communication with the suction nozzle and the inlet opening to the recovery tank;
• a vacuum source;
• and
• a working air conduit in open communication with the vacuum source, the recovery tank and the suction nozzle, whereby the vacuum source can draw liquid and debris through the suction nozzle and the suction conduit and to the recovery tank in which the liquid and debris are deposited;
• and
• a liquid dispensing system mounted to the cleaner housing and including:
• a cleaning fluid supply tank;
• at least one spray nozzle having an outlet opening for spraying cleaning fluid onto the surface to be cleaned;
• a supply conduit interconnecting the cleaning fluid supply tank and the spray nozzle for supplying cleaning fluid to the spray nozzle;
• the improvement comprising:
• a cavity formed in a front portion of the housing and a portion of the recovery tank is received in the cavity, and wherein the housing has a grooved support member at a bottom portion thereof which receives a flange on a lower portion of the recovery tank to retain the recovery tank on the housing.

A liquid extraction cleaner for cleaning a surface and including a cleaner housing, the extraction cleaner further comprising:

• a liquid extraction system mounted to the cleaner housing and including:
• a suction nozzle having a nozzle opening;
• a recovery tank including a tank housing having an inlet opening in the tank housing;
• a suction conduit in communication with the suction nozzle and the inlet opening to the recovery tank;
• a vacuum source;
• and
• a working air conduit in open communication with the vacuum source, the recovery tank and the suction nozzle, whereby the vacuum source can draw liquid and debris through the suction nozzle and the suction conduit and to the recovery tank in which the liquid and debris are deposited;
• and
• a liquid dispensing system mounted to the cleaner housing and including:
• a cleaning fluid supply tank;
• at least one spray nozzle having an outlet opening for spraying cleaning fluid onto the surface to be cleaned;
• a supply conduit interconnecting the cleaning fluid supply tank and the spray nozzle for supplying cleaning fluid to the spray nozzle;
• the improvement comprising:
• a cavity formed in a front portion of the housing and a portion of the recovery tank is received in the cavity and wherein one of the housing and the recovery tank has at a bottom portion thereof a grooved support member which receives a flange on the other of the housing and the recovery tank to retain the recovery tank on the housing.

A liquid extraction cleaner for cleaning a surface, the extraction cleaner comprising:

• a cleaner housing having a forward portion and a rearward portion, the forward portion having an upper portion and a lower portion;
• a liquid extraction system mounted to the cleaner housing and including:
• a suction nozzle having a nozzle opening;
• a recovery tank including a tank housing having an inlet opening in the tank housing and having a forward portion and a rearward portion, the rearward portion having an upper portion and a lower portion;
• a suction conduit in communication with the suction nozzle and the inlet opening to the recovery tank;
• a vacuum source;
• and
• a working air conduit in open communication with the vacuum source, the recovery tank and the suction nozzle, whereby the vacuum source can draw liquid and debris through the suction nozzle and the suction conduit and to the recovery tank in which the liquid and debris are deposited;
• and
• a liquid dispensing system mounted to the cleaner housing and including:
• a cleaning fluid supply tank;
• at least one spray nozzle having an outlet opening for spraying cleaning fluid onto the surface to be cleaned;
• and
• a supply conduit interconnecting the cleaning fluid supply tank and the spray nozzle for supplying cleaning fluid to the spray nozzle;
• the improvement comprising:
• a releasable connection between the recovery tank and the housing that includes a grooved support member at the lower portion of one of the cleaner housing forward portion and the lower portion of the recovery tank rearward portion;
• and a flange on a lower portion of the other of the cleaner housing forward portion and the lower portion of the recovery tank rearward portion, the flange received on the grooved support member for pivotally supporting the lower portion of the recovery tank rearward portion on the lower portion of the housing forward portion.

A rechargeable liquid extraction cleaner for cleaning a surface and including a cleaner housing in combination with a recharging base, the extraction cleaner further comprising:

• a liquid extraction system mounted to the cleaner housing and including:
• a suction nozzle having a nozzle opening;
• a recovery tank including a tank housing having an inlet opening in the tank housing;
• a suction conduit in communication with the suction nozzle and the inlet opening to the recovery tank;
• a vacuum source;
• and
• a working air conduit in open communication with the vacuum source, the recovery tank and the suction nozzle, whereby the vacuum source can draw liquid and debris through the suction nozzle and the suction conduit and to the recovery tank in which the liquid and debris are deposited;
• a liquid dispensing system mounted to the cleaner housing and including:
• a cleaning fluid supply tank;
• at least one spray nozzle having an outlet opening for spraying cleaning fluid onto the surface to be cleaned;
• and
• a supply conduit interconnecting the cleaning fluid supply tank and the spray nozzle for supplying cleaning fluid to the spray nozzle;
• an electrical supply circuit mounted to the cleaner housing and including
• a battery electrically connected to the vacuum source;
• a battery charging circuit;
• a first opening formed in the cleaner housing;
• and
• an electrical receptacle mounted in the first opening and electrically connected to the battery charging circuit;
• and
• the recharging base is adapted to be connected to an electrical circuit and includes an electrical connector adapted to be operably received in the cleaner electrical receptacle for charging the battery when the cleaner is mounted on the recharging base;
• the improvement comprising:
• a second aperture formed on the cleaner housing adjacent to the first opening;
• and
• a guide pin mounted on the charging base proximate the electrical connector and so positioned on the recharging base so that as the cleaner is mounted on the recharging base, the guide pin is received in the second opening in the cleaner housing and the electrical connector is received in the electrical receptacle.