Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1986-04-02
1988-01-26
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15410, A47L 900, A47L 932
Patent
active
047208902
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to a vacuum cleaner handle.
Vacuum cleaners conventionally have a handle with a plug connection part inserted into a tubular handle extending to the rear over the vacuum cleaner housing. The plug part is locked in a catch opening in the handle tube by means of a catch button to prevent twisting. The handle part has a slight downward slant in relation to the axis of the plug part in the working position of the hand-driven vacuum cleaner.
Since such a vacuum cleaner is moved along and steered with the handle part it is quite likely for the handle part to twist in the hand, in relation to the sliding nozzle or the suction brush, with the result that it is no longer possible to efficiently steer the vacuum cleaner and it may run up against furniture, door frames or the like. Such a loss of control is more especially likely when using nozzles whose joint enables them to be turned and tilted. Owing to the downward slant there is a very inconvenient levering effect so that the user is compelled to exert powerful lateral forces in order to hold the hand vacuum cleaner in a position in which it is swiveled or rocked to the side.
SUMMARY OF THE INVENTION
An object of the invention is to so improve upon a vacuum cleaner cleaner handle of the type initially specified that the vacuum cleaner may be conveniently and simply held and moved, this being possible with a small amount of effort even in the swiveled or laterally tilted position.
Furthermore the handle should rest comfortably in the hand of the user.
This object is achieved in the case of a vacuum cleaner of the initially specified type in accordance with the features of the present invention.
The handle member includes a holding part positioned at least partly over a central axis of the handle tube providing a lever arm which may be rocked to the right or the left, with only a small amount of effort, around the axis of the connection part. Accordingly, only a small amount of lateral force is needed for control so that the vacuum cleaner may be steered from the one side to the other. This favorable leverage reduces the force necessary to move and direct the vacuum cleaner. The simple and low-effort manner of moving the vacuum cleaner makes it possible to steer it around furniture and along walls or the like without knocking against them so that they are not damaged.
The design in accordance with the invention furthermore offers the advantage that the vacuum cleaner may be moved along by the user in a comfortable pose at a very small angle to the surface to be cleaned so that for example vacuum cleaning under furniture is greatly facilitated.
It is an advantage of the handle part is placed entirely over the axis. This design leads to the advantage of a particularly convenient lever arm, which makes it particularly simple for the user to move the vacuum cleaner along the floor.
In accordance with a further advantageous feature of the invention, a portion of the handle part makes an acute angle with the axis of the handle tube and of the connection part and an upper portion of the handle part projects out ahead in the direction of the connection part. This makes it possible for the user to move the vacuum cleaner in a generally comfortable pose even at a very small acute angle to the surface to be cleaned. This acute angle may amount to approximately 60.degree..
In accordance with a further proposal of the invention, the handle part is located partly over and partly under the central axis of the handle tube and the connection part. This development of the invention also makes it possible for the vacuum cleaner to be particularly comfortably held and moved and swiveled about the tube axis with little effort, since the user is able to grasp the handle part near the axis of the handle tube.
In this respect it is particularly advantageous if the handle part is located approximately half way over and half way under the handle tube central axis. This construction offers the advantage that the vacuum cleaner ha
REFERENCES:
patent: 3667084 (1972-06-01), Valbona et al.
patent: 3705437 (1972-12-01), Rukavina et al.
patent: 4541142 (1985-09-01), Pudwill
patent: 4615068 (1986-10-01), Martin et al.
Moore Chris K.
Progress-Elektrogeraete Mauz & Pfeiffer GmbH & Co.
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