Patent Application
20080099653
1. Field of the Invention
The present invention relates to an anchor rack having a coupling pawl and particularly to an anchor rack that has a sleeve, a coupling pawl and a compressible spring that interact with one another to form a tight coupling with a holding rack.
2. Description of the Prior Art
Nowadays a wide variety of communication devices such as handsets (mobile phones), PDAs, GPS and the like are available to make communication among people more convenient. Users can talk to each other almost anywhere anytime.
Anchor racks for holding portable electronic devices are available in prior art. They mostly have a spherical joint on the bottom end of a holding rack and a bracket. The holding rack can be adjusted at various positions through the spherical joint. A fastening mechanism is provided to adjust the tightness of the spherical joint so that bars can be swiveled or fastened relative to one another at various positions to facilitate user's operation. However, use the communication devices concurrently with other tools while users are driving or riding on a transportation vehicle often incurs troubles. Although the conventional communication device anchor racks can hold various communication devices on the transportation vehicles, the holding racks are mostly fixed and cannot be adjusted to various directions, elevations and angles to suit user's requirements. Operation is difficult. They do not conform to ergonomics and user's habits. The benefits of the communication devices also are not fully exploited.
In view of the aforesaid problems occurred to the conventional anchor racks, the present invention aims to provide an anchor rack equipped with a coupling pawl that has a sleeve and a coupling pawl of a selected profile interacting with each other to shrink an opening of the coupling pawl so that they can be coupled tightly and easily with a holding rack.
The anchor rack according to the invention is used on an electronic product. It includes a bracket, a coupling pawl which has a housing space with an opening on one end, a plurality of slots formed on the periphery around the opening, a conical outer surface and another end fastened to the bracket, a hollow sleeve which holds the coupling pawl and is movable on the conical outer surface of the coupling pawl in a restricted fashion, an elastic element located between the sleeve and the coupling pawl, and between the bracket and the sleeve, and a holding rack which has one end to hold the electronic product and a coupling portion on another end that has a distal end mating the surface of the housing space. The coupling pawl, sleeve and elastic element interact with one another to be anchored on the holding rack.
The foregoing, as well as additional objects, features and advantages of the invention will be more readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings.
Refer to
The bracket 10 is a strut which has a suction tray 12 on a bottom end and a top end to hold the coupling pawl 20. The suction tray 12 can be adhered to the surface of various objects to brace the bracket 10, such as on the windshield of vehicles (not shown in the drawings). The coupling pawl 20 is a hollow and conical strut and has a housing space 22 with an opening formed on the top end and a conical outer surface, and another end to be fastened to another end of the bracket 10. The coupling pawl 20 further has a plurality of slots 24 formed axially downwards on the peripheral starting from the rim of the opening so that the coupling pawl 20 becomes a flexible structure around the housing space 22. The sleeve 30 is hollow to hold the coupling pawl 20. The coupling pawl 20 is fastened to the top end of the bracket 10 with the conical outer surface in contact with an opening of the sleeve 30 at the top end in normal conditions. The sleeve 30 is movable on the conical outer surface of the coupling pawl 20 in a restricted fashion. The elastic element 40 is interposed between the sleeve 30 and the coupling pawl 20, and has an action end fastened to the bracket 10 and another action end fastened to the sleeve 30 to provide a returning force for the sleeve 30 so that the sleeve 30 can be pushed and moved axially, and return to its initial position. The holding rack 50 has a holding portion on one end to hold an electronic product and a coupling portion 52 on another end mating the internal surface of the housing space 22 to be coupled therewith.
The coupling portion 52 of the holding rack 50 may be a spherical body mating the internal surface of the housing space 22 to be coupled therewith. With the coupling portion 52 formed in spherical, it can be swiveled in the housing space 22 about three axes that are normal to one another.
The elastic element 40 may be a coil spring held in the sleeve 30. It has an action end fastened to the top end of the bracket 10 and another action end fastened to an internal surface of the sleeve 30. Hence when the sleeve 30 is pushed downwards axially the elastic element 40 is compressed and generates an opposite elastic force. When the force of downward movement is released, the opposite elastic force of the elastic element 40 pushes the sleeve 30 axially to the initial position.
Referring to
In short, the anchor rack having a coupling pawl according to the invention employs interactions among the sleeve, coupling pawl and compressible spring to form a tight coupling with the holding rack. User operation is easier. It offers a significant improvement over the conventional techniques.
While the preferred embodiment of the invention has been set forth for the purpose of disclosure, modifications of the disclosed embodiment of the invention as well as other embodiment thereof may occur to those skilled in the art. Accordingly, the appended claims are intended to cover all embodiments which do not depart from the spirit and scope of the invention.
