Telephonic communications – Terminal accessory or auxiliary equipment – Telephone receiver support
Reexamination Certificate
1997-12-16
2001-03-27
Chiang, Jack (Department: 2742)
Telephonic communications
Terminal accessory or auxiliary equipment
Telephone receiver support
C379S455000
Reexamination Certificate
active
06208734
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of Invention
The invention relates to a holding device for a communications unit. The latter can be, for example, a mobile telephone or a handset of a mobile telephone system, which comprises this handset and a transceiver station connected to it, for example via a cable.
2. Prior Art
A holding device of the generic type for a communications unit is already generally known. However, it is not very user-friendly, nor operationally reliable.
DE 44 05 506 C2 has disclosed a holder for a mobile telephone, in which a pivotable carrier for a mobile telephone is fitted to a unshaped base element. The pivotable carrier has a baseplate, supporting elements projecting away from the baseplate and holding lugs located opposite the baseplate. In this case, the carrier is arranged in such a way that it can be pivoted, together with its baseplate, between the limbs of the unshaped base element. Accommodated in the limbs of the base element is a locking device, which has mutually opposite latching tabs which can engage in corresponding lateral recesses in the mobile telephone.
If a telephone is inserted into the quiver-shaped carrier, it stands with its lower end on the supporting faces and is held between the baseplate and the holding lugs. As soon as the mobile telephone is then pivoted, together with the carrier, in between the limbs of the unshaped base element, the latching tabs provided thereon latch in. By actuating an appropriate release push button, the mobile telephone is released once more and pivoted upwards by the spring-biased carrier.
In the case of this known holder, the mobile telephone is held between a multiplicity of holding elements, but these cannot prevent the mobile telephone carrying out oscillations relative to the holding device in the known holding device, and in so doing rubbing on the holding elements, which leads to unsightly traces of use.
SUMMARY OF THE INVENTION
Proceeding from this, the invention is based on the object of providing a further holding device for a communications unit, which has improved operational safety and is highly user-friendly.
A holding device, according to the invention, for a communications unit contains a base element, a carrier which is pivotably articulated on the base element, which can be pivoted away from the base element by means of spring force, and onto which the communications unit can be pushed with its one end against stop means which hold the communications unit, and a locking device which is present on the base element in order to lock the other end of the communications unit when the carrier is pivoted against the base element, the locking device pressing the communications unit against the stop means.
The stop means provided according to the invention, which hold the communications unit in the carrier and which work together with the locking device in such a way that a 3rd fixing of the communications unit in the carrier is achieved, ensure that the surface of the communications unit, that is to say of a mobile telephone, cannot rub on the holder, even in the event of severe vibration. This prevents unsightly traces of use on the surface of the communications unit.
Furthermore, the operational reliability of the holding device according to the invention is increased in particular in that, even when the carrier is pivoted away from the base element, the communications unit remains securely connected to the carrier, until it is removed from the latter, with the result that the communications unit cannot be inadvertently detached from the holding device. This also leads to improved user-friendliness.
According to a refinement of the invention, a compression-spring device is arranged between the base element and a bottom of the carrier. When the locking device is unlocked, the carrier can be pivoted away from the base element by means of this compression-spring device, and with the carrier the communications unit, with the result that the said unit may be removed from the carrier when the latter is in the pivoted state. In this case, the communications unit remains reliably connected to the carrier during the pivoting of the carrier away from the base element, without there being a risk that the said unit is inadvertently detached from the holding device and is damaged or brings about damage. Instead of the compression-spring device, it is also possible for a leg spring, arranged on the pivot axis between the base element and carrier, to be used, by means of which the carrier can likewise be biased in the direction away from the base element. For this purpose, a leaf spring could also be used between carrier and base element.
In order to prevent excessively rapid pivoting of the carrier away from the base element, a damping device can be connected between carrier and base element, which device reduces the pivoting movement of the carrier up to a certain degree.
Particularly reliable and secure holding of the communications unit in the carrier can be achieved if the stop means provided are two stop elements which are spaced apart from each other, transverse to the longitudinal direction and parallel to the main plane of the communications unit, and which preferably engage into recesses provided at the sides in the communications unit.
This allows a broad supporting base for the communications unit to be provided, which can in particular be designed such that, even given intense vibration, the communications unit is reliably held in the carrier, even when it is located in the position pivoted upwards.
According to another refinement of the invention, at least the bottom of the carrier extends as far as close to the locking device, so that in any pivoted position of the carrier, secure holding of the communications unit connected to it is ensured. In a development of the invention, side walls of the carrier, which run in the direction of the locking device, engage partly around the communications unit. This ensures even more reliable holding of the communications unit in the carrier. For example, free longitudinal edges of the side walls can come to lie on the communications unit, with the result that even its surface facing away from the carrier is gripped. In addition, the side walls may be provided with inwardly pointing longitudinal strips, in order to achieve even better fixing or holding of the communications unit on the carrier.
According to another refinement of the invention, free longitudinal edges of the side walls engage in lateral longitudinal slots in the communications unit, which leads to a relatively flat overall construction of the holding device, since the walls of the carrier now no longer come to lie above the communications unit.
The height of the side walls themselves can reduce in the direction towards the free end of the carrier bottom, which makes it more easily possible to connect the communications unit to the carrier or to remove the communications unit from the carrier.
In yet another refinement of the invention, one end wall of the carrier may have an opening running as far as its free edge, this end wall generally being used to form a delimitation when the communications unit is placed on the carrier. However, it is possible for a cable connection to be led through the opening, the said cable being connected to that end of the communications unit with which the latter points to the carrier. Since the opening extends as far as the free edge of the said front wall, the communications unit can easily be removed from the carrier without having to detach the cable connection.
According to another advantageous development of the invention, the carrier comprises at least the carrier bottom, on whose sides facing away from the base element there is arranged a dovetail-shaped strip extending in the direction of the locking device. When the communications unit is pushed onto the carrier, this dovetail-shaped strip then engages in a correspondingly fitting longitudinal opening on the underside of the communications unit, with the result that the communications unit an
Ortscheid Annett
Weber Rainer
Chiang Jack
Nokia Mobile Phones Limited
Perman & Green LLP
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