Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
1999-06-28
2001-05-08
Till, Terrence R. (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S330000
Reexamination Certificate
active
06226833
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a movable blower for cleaning a garden, a plant site, or the like by blowing away fallen leaves, refuse, and the like to collect them in a place where they can be easily cleaned.
2. Prior Art
For the purpose of, for example, collecting fallen leaves, refuse, and the like in a garden or the like to a place where they can be easily cleaned, a blower is conventionally used. Specifically, a cleaning work or the like is performed in such a manner that a pressed air generated by the rotation of a blower fan by a driving force of a driving motor is discharged as a high-speed air flow via a nozzle of a blower to the ground or the like to blow away and collect fallen leaves, refuse, and the like. Such a blower for cleaning is conventionally of a backpack type. When a high power is used, the weight is accordingly heavy and it is laborious. When the blower is mounted on moving means such as a carriage, a heavy blower which can generate a high power can be easily moved. In the case of changing the air discharging direction of a nozzle, however, it is necessary to change the nozzle position by moving the blower with the moving means in the lateral and vertical directions and it is more laborious. Since an internal combustion engine such as a two-cycle gasoline engine is used for the driving motor, it is very noisy at the time of the work. It makes not only the worker but also the neighborhood feel unpleasant. Since an exhaust is emitted, it is unavoidable for the worker to perform the work in such adverse environment.
SUMMARY OF THE INVENTION
It is a first object of the invention to provide a movable blower which is made less laborious by eliminating the need to carry a heavy blower on the back and further enables a high power to be displayed.
For the object, first, a movable blower is constructed by mounting a blower on moving means, attaching a discharge pipe to the blower, and connecting the power of a driving motor to the blower.
Among them, the moving means is provided with a wheel so as to reduce a moving load. Among wheels, it can be considered that a caster wheel is provided so as to easily change the direction in the lateral direction.
In order to enable the movable blower to be moved by being pushed with hands, handles may be provided. In order to enable the handle position to be adjusted to the position which is the most convenient for each worker to operate, the handles may be supported by the moving means so that a position in the vertical direction can be adjusted.
It is a second object to solve problems of noise and exhaust which occur in a conventional gasoline engine.
For this purpose, an electric motor is used as the driving motor. The power source (battery) may be mounted on the moving means or separated from the moving means, connected to the electric motor via a conductor or remote-controlled.
It is a third object to provide a movable blower whose nozzle position is vertically adjustable.
In order to achieve the object, the blower is supported by the moving means swingably and is inclined upward or downward, thereby enabling a discharge pipe position to be adjusted in the vertical direction.
Further, in order to facilitate the operation of the vertical position adjustment of the discharge pipe and achieve the construction by which a light operating force is sufficient, the response is high, and durability of members is good, the swing fulcrum of the blower with respect to the moving means is disposed below the blower and a linking mechanism for vertically moving the blower is disposed in a position higher than at least the swing fulcrum. The handle provided for the moving means is provided with a lever. A cable is interposed between the lever and the linking mechanism. When the lever is operated, the cable is moved and the blower is inclined in either upward or downward with respect to the moving means.
It is a fourth object to provide a movable blower in which the nozzle position can be adjusted to the right and left sides in the travel direction.
In order to achieve the object, a discharge pipe is supported by the blower so as to be swingable to the right and left. By swinging the blower to the right and left, the discharge pipe position can be adjusted to the right and left.
Further, in order to perform the operation of the adjustment of the position of the discharge pipe in the lateral direction by a handle, the handle attached to the moving means is provided with a lever and a cable is interposed between the lever and a discharge pipe. When the lever is operated, the cable is moved to thereby swing the discharge pipe to either the right or left with respect to the blower. A pair of levers and a pair of cables are provided so that the discharge pipe can be swung to both of the right and left sides.
While the operation can be performed by the handle as described above, further, in order to achieve the construction such that a light operation force is sufficient, the response is high, and the members are durable, a first cable is extended from the discharge pipe, an actuating member is provided to move the first cable in one direction, and a second cable is interposed between a lever attached to the handle and the actuating member. When the lever is operated, the actuating member is retained by the first cable to move the first cable in one direction and the discharge pipe is turned either to the right or left with respect to the blower.
Among them, in order to more certainly perform the right and left swing with simple construction, the first cable takes the form of an endless cable and is wound around the discharge pipe, and a part of the cable is fixed to the discharge pipe.
In order to return the discharge pipe to the initial position certainly and promptly when the lever operation is cancelled, an urging member is connected to the first cable. When the operating force to the lever is cancelled, the retaining of the actuation member by the first cable is released, the urging member urges the first cable, and the discharge pipe is returned to the initial position.
In the above-mentioned construction, in order to swing the discharge pipe to both of the right and left sides, a pair of actuating members, a pair of levers, a pair of second cables, and a pair of urging members may be provided.
REFERENCES:
patent: 2180269 (1939-11-01), Wisher
patent: 3817547 (1974-06-01), Erickson
patent: 3959846 (1976-06-01), Yasuda
patent: 4118826 (1978-10-01), Kaeser
patent: 5090088 (1992-02-01), Toth
patent: 5107566 (1992-04-01), Schmid
patent: 5294063 (1994-03-01), Bote
patent: 2256875 (1973-05-01), None
Iwamoto Mamoru
Kawaguchi Kiyohisa
Jordan and Hamburg LLP
New Delta Industrial Co., Ltd.
Till Terrence R.
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