Supports – Easel; book – copy or music score holder – Copyholder with writing machine engaging means
Patent
1997-12-19
1999-08-03
Berger, Derek J.
Supports
Easel; book, copy or music score holder
Copyholder with writing machine engaging means
2484472, 248918, B41J 1102, A47B 9704
Patent
active
059314370
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
This invention is related generally to a control device and, more particularly, to the housing of a control device that is capable of receiving a variety of electrical components.
BACKGROUND OF THE INVENTION
Control devices as a rule, have an open front side that is covered with a face plate that bears operating and display elements. Such control devices are attached to support columns or on the end of a support arm system and, as a rule, can be variably positioned. For this, the housings of common control devices are provided with handles that simplify the handling of same.
OBJECTS OF THE INVENTION
It is an object of this invention to provide a control device that overcomes some of the problems and shortcomings of devices of the prior art.
Another object of this invention is to provide a control device whereby elements are attached in a simple manner thereby allowing for ease of handling. How these and other objects are accomplished will become apparent from the following descriptions and from the drawings.
SUMMARY OF THE INVENTION
The invention is comprised of a housing having an open front side and a closed front frame comprising frame members and corner connectors. Handlebars are attached on both vertical side of the front frame by means of two spacers, and a copy holder, having a clamping strip, is attached to one of the handlebars by means of connection clamps.
The handlebars are spaced away from the vertical sides of the housing in order to allow them to be securely gripped. The copy holder, depending on the type of use, can be selectively attached on the left or right side of the control device. A schematic, operating instruction or a sheet of paper can be clamped by a clamping strip. In any case, a convenience is rendered to the user during maintenance, repairs or servicing of the control device.
In one embodiment of the invention, the spacers feature blind hole type receptacles in which a handlebar, constructed as a pipe section, is inserted. Such insertion allows the handlebars to be connected to the spacers without any additional means of fastening. Advantageously, a press fit and/or force fit is used between the receptacle in the spacers and the handlebars.
The handling of the control device when changing its position is simplified even more if the spacers are angled such that the handlebars are arranged in front of the front side of the housing.
In another embodiment of the invention, the copy holder having a flat design is provided with an angle edge on the side facing the handlebar. Such angled edge is then screwed to the connecting clamps thereby attaching the copy holder to the handlebar.
The connecting clamps surrounding the handlebar have a U-shaped structure and feature a round receptacle for the handlebars. The arms of the connecting clamps are constructed in connection with the receptacle as a fastening flange having fastening bore holes. Such construction allows the edge of the copy holder to be screwed directly onto the fastening flange of the connecting clamps.
In a more preferred embodiment of the invention, the copy holder is connected to the connecting clamps such that it is capable of both pivoting on the handlebar and being fixed in a set pivoted position. Such embodiment allows the user to optimally adapt the copy holder position.
In still another more preferred embodiment, the copy holder is rectangularly constructed such that its larger dimension is aligned in parallel with the handlebar, whereby the edge of the flat copy holder is connected to the end portions of the handlebar by means of two connecting clamps. Given that in any case, the corner connector must be connected to the frame member of the front frame, a design that is characterized by having the spacers connected, e.g., screwed to the facing corner connectors of the front frame is advantageous.
The invention is explained in more detail on the basis of an exemplified embodiment illustrated in the drawings.
BRIEF DESCRIPTION DRAWINGS
FIG. 1 is a perspective showing the front vi
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Neuhof Markus
Root Paul
Berger Derek J.
Nornberg Michael
Rittal-Werk Rudolf Loh GmbH & Co. KG Auf dem Stutzelberg
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