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03/20/08 - USPTO Class 403 | 40 views | #20080069630 | Prev - Next | About this Page

Connectors for mounting apparatus using ball and socket joints with gripping features

Title: Connectors for mounting apparatus using ball and socket joints with gripping features

Related Patent Categories: Joints And Connections, Articulated Members, Plural Distinct Articulation Axes, Plural Ball And Socket

Connectors for mounting apparatus using ball and socket joints with gripping features description/claims

The Patent Description & Claims data below is from USPTO Patent Application 20080069630, Connectors for mounting apparatus using ball and socket joints with gripping features.

Brief Patent Description - Full Patent Description - Patent Application Claims

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This application is a continuation of U.S. application Ser. No. 11/324,994 to Bevirt, filed Jan. 3, 2006.

BACKGROUND

[0002] 1. Field of the Invention

[0003] The present invention relates to connectors which interconnect into a flexible assembly, and more specifically to a mounting apparatus using ball and socket joint connectors.

[0004] 2. Description of Related Art

[0005] Typical tripod assemblies consist of three rigid legs which are splayed out to form a support structure for devices such as cameras. The legs are usually rigid and adapted to provide support off of the ground or other flat surface. Some tripods have some adjustment to leg length which may allow for some deviation from flatness in the surface upon which they are mounted.

[0006] Such tripods are limited in the manner in which they support devices such as cameras. What is called for is a mounting apparatus that may function as a tripod and also as a grip mount for the mounting to vertical members.

SUMMARY

[0007] The present invention is directed towards ball and socket joint connectors which, when interconnected, form a flexible assembly. Each connector includes a body with a first and second end portion. An external socket engaging surface is provided at one end of the body. The other end of the body has an internal cavity. The socket engaging surface of one connector is snapped into the internal cavity of another to interconnect the connectors.

[0008] In some embodiments, the ball and socket joint connectors utilize an over-molded strip around the outside of the connector to facilitate in their use for gripping. In an exemplary embodiment utilizing the aforementioned ball and socket joint connectors, a mounting apparatus uses legs comprising the ball and socket joint connectors for support.

BRIEF DESCRIPTION OF THE DRAWINGS

[0009] FIG. 1 illustrates a side view of a plurality of connected connectors according to some embodiments of the present invention.

[0010] FIG. 2 illustrates an end view of a plurality of connected connectors according to some embodiments of the present invention.

[0011] FIG. 3 is a cross-sectional view of a plurality of connected connectors according to some embodiments of the present invention.

[0012] FIG. 4 is a side view of a connector according to some embodiments of the present invention.

[0013] FIG. 4A is a cross-sectional view of a connector according to some embodiments of the present invention.

[0014] FIG. 5 is illustrates a connector with a gripping portion according to some embodiments of the present invention.

[0015] FIGS. 6 and 6A are a side and cross-sectional view of a connector with a gripping portion according to some embodiments of the present invention.

[0016] FIG. 7 is an illustration of a tripod apparatus according to some embodiments of the present invention.

[0017] FIG. 8 is an illustration of a body and interconnect portion of a tripod apparatus according to some embodiments of the present invention.

[0018] FIG. 9 is a cross-sectional view of a body and interconnect portion of a tripod apparatus according to some embodiments of the present invention.

[0019] FIG. 10 is an illustration of a tripod apparatus according to some embodiments of the present invention.

[0020] FIG. 11 is a side and cross-sectional view of a body and interconnect portion of a tripod apparatus according to some embodiments of the present invention.

[0021] FIG. 12 is a side and cross-sectional view of a body and interconnect portion of a tripod apparatus according to some embodiments of the present invention.

[0022] FIG. 13 is a side and cross-sectional view of a body and interconnect portion of a tripod apparatus according to some embodiments of the present invention.

DETAILED DESCRIPTION

[0023] FIGS. 1, 2, and 3 illustrate a plurality of ball and socket joint connectors 101 according to some embodiments of the present invention. A connector 101 has a first end portion 102 and a second end portion 103. A socket engaging end surface 104 is present at the first end 102. The first end portion 102 is substantially hollowed out.

[0024] The second end portion 103 has a body 106 with an internal socket receiving cavity 107. The inner surface 110 of the an internal socket receiving cavity 107 is adapted to fit over the socket engaging end surface 104 of another connector 101, or of another piece with a similar socket engaging end surface. A neckdown 105 separates the first end portion 102 from the second end portion 103. A stop nub 108 acts as a mechanical stop to prevent over angulation and possible unintentional separation of a ball and socket joint connector pair.

[0025] As seen in FIG. 4, the connector 101 has a primary axis 111 in some embodiments. The connector 101 may be symmetric around the primary axis 111 in some embodiments. The end surface planes of the first and second end portions of the connector may be perpendicular to the primary axis 111 in some embodiments.

[0026] In some embodiments of the present invention, the wall thicknesses of the internal socket receiving cavity or the socket engaging end surface, or both, are constructed so that an interference fit remains after the ball and socket joint connectors are connected. In some embodiments, the interference fit is designed such that the material is stressed to a stress level below that of the plastic limit but above the creep limit. The material may then creep until the interference is at or below the creep limit, typically down to the upper end of the elastic deformation stress range of the material. In such an embodiment using a plurality of connectors connected together to form a longer chain, the stresses will tend to equalize in the different connector pairs. This equalization of stresses will tend to equalize the frictions of the various connector pairs. An equalization of the frictions in the connector pairs in a long chain of connected connectors will tend to allow the chain of connectors to bend in a smooth fashion when the chain is subjected to bending forces. For example, in a 10 unit chain bent to a 45 degree angle, the bending may be well spread among the connector pairs.

[0027] In some embodiments, as seen in FIGS. 5, 6 and 6A, a connector 120 includes a gripping portion 122. The connector 120 has a first end portion 125 and a second end portion 123. A socket engaging end surface 124 is present at the first end 125. The first end portion 125 is substantially hollowed out.

[0028] The second end 123 has a body 121 with an internal socket receiving cavity 130. The inner surface 129 of the an internal socket receiving cavity 130 is adapted to fit over the socket engaging end surface 124 of another connector, or of another piece with a similar socket engaging end surface. A neckdown 128 separates the first end portion 125 from the second end portion 123. A gripping portion 122 allows the connector to grip surfaces more readily. In some embodiments, the gripping portion is co-molded into the connector body. In some embodiments, the gripping portion is a rubberized compound. In some embodiments, the gripping portion is a circumferential ring molded into the outer surface of the connector. The gripping portion may provide a higher friction interface when the connector is set upon or wrapped around an object.

[0029] In some embodiments of the present invention, the outer surface 109 of the socket engaging end surface 104 may be lubricated. Lubrication of the outer surface 109 of the socket engaging end surface 104 may allow for more even frictions between various connections in a chain of connectors. In some embodiments, the inner surface 110 of the internal socket receiving cavity 107 may be lubricated. Lubrication of the inner surface 110 of the internal socket receiving cavity 107 may allow for more even frictions. In some embodiments, both the outer surface 109 of the socket engaging end surface 104 and the inner surface 110 of the an internal socket receiving cavity 107 may be lubricated. In some embodiments, the surfaces may be coated with an adhesive. With some connector materials, such as acetyl materials, Delrin, and Nylon, compounds normally used as adhesive may function as a lubricant when used in an interference fit ball and socket joint connector.

[0030] In some embodiments of the present invention, the outer surface 109 of the socket engaging end surface 104 may be textured. The texture may take the form of a surface roughness. Texturing of the outer surface 109 of the socket engaging end surface 104 may allow for more even frictions between various connections in a chain of connectors. In some embodiments, the inner surface 110 of the internal socket receiving cavity 107 may be textured. The texture may take the form of a surface roughness. Texturing of the inner surface 110 of the internal socket receiving cavity 107 may allow for more even frictions. In some embodiments, both the outer surface 109 of the socket engaging end surface 104 and the inner surface 110 of the an internal socket receiving cavity 107 may be lubricated.

[0031] FIG. 3 illustrates a cross-sectional view of a plurality of ball and socket joint connectors. In some embodiments of the present invention, a stop nub 108 resides within the internal socket receiving cavity. The inner rim 140 of the socket engaging end surface 104 is adapted to contact the stop nub 108 as the two connectors reach a certain angle relative to each other. The contact of the stop nub 108 and the inner rim 140 of the socket engaging end surface 104 acts as a mechanical stop with regard to further angulation of the two pieces relative to each other. The mechanical stop function works to prevent over-rotation and possible disconnection of the two connectors.

[0032] FIG. 7 illustrates a tripod apparatus 200 according to some embodiments of the present invention. A body portion 201 provides a base of support for three flexible legs 202, 203, 204. The flexible legs 202, 203, 204 consist of a series of interconnected ball and socket joint connectors. The flexible legs are able to be flexed into a variety of positions and can be used to support the body portion 201 by forming tripod support. The flexible legs are able to adapt to uneven surfaces to allow the tripod to function in a variety of situations. Although three legs are used here for illustration, more legs may be present in some embodiments. As seen in FIG. 7, the body portion 201 itself may have a series of interconnected ball and socket joint connectors within it, allowing for even more flexibility with regard to its mounting function.

[0033] Although the flexible legs are illustrated as functioning legs in FIG. 7, the legs are of sufficient flexibility that the may be used to wrap around items such as bars or other objects in order to fasten the tripod apparatus to objects that would not be suitable for mounting of a typical tripod. In conjunction with the gripping portion, this allows the tripod apparatus to be fastened to a variety of objects. For example, when used to position a digital camera, the legs may wrap around a vertical gate rail, allowing the mounting of the camera for a photo taking opportunity not previously available.

[0034] In some embodiments, the body portion 201 is connected to an interconnect portion 205. A clip 220 is removably fastened to the interconnect portion 205. The clip 220 may have a threaded post adapted to fit into a camera or other device in some embodiments.

[0035] In some embodiments, the flexible legs 202, 203, 204 may use connectors that have a co-molded gripping portion 208. The gripping portions 208 may allow for use of the tripod in a variety of ways, including wrapping of the legs around a post or other object. In some embodiments, the flexible legs may be terminated with a gripping pod 207. As seen in cross-section in FIG. 3, the gripping pod 207 may be fully molded into the cavity of the connector. In some embodiments, the terminal connector of each leg has a socket engaging end surface on its first end and a suction cup on its second end. The suctions cups may allow for a secure attachment of the tripod apparatus 200 to a variety of surfaces.

[0036] In some embodiments of the present invention, as further illustrated in FIGS. 7, 8 and 9, the interconnect portion 205 is adapted to receive a clip 220. The clip 220 may have rails 228 adapted to slide into slots 227 within the interconnect portion 205. The clip 220 may have recess 226 adapted to be filled by a tab 225 on a spring loaded lever 222. The clip is removably attached to the interconnect portion 205 and may be released by pressing on the lever 222. In some embodiments, the lever 222 is on the same side of the interconnect portion 205 as which the clip 220 slides in on. In other embodiments, the lever 222 is on the side opposite that which the clip 220 slides in on.

[0037] A mounting screw 221 may be recess mounted into the clip 220 in some embodiments. The screw 223 may be of the standard size and thread to attach to a camera in some embodiments. The head 223 of the screw 221 may be held into the recess 224 by a slight ridge in the molding of the recess in some embodiments.

[0038] In some embodiments of the present invention, as seen in FIGS. 10, 11, 12, and 13, a tripod apparatus 500 utilizes a body portion 501 which spaces and locates the legs of the apparatus in a different configuration. The spacing of the body sockets 502 allows for better use of the tripod legs as attaching arms in some uses. In some embodiments, the body sockets 502 are equally spaced around the center of the body portion 501. The body sockets are also flared at an angle relative to the ground (in typical usage). In some embodiments, the flared angle is 45 degrees. The flaring of the body sockets allows a different range of potential wrapping angles for the legs of the tripod.

[0039] With the flaring of the body sockets, the tripod legs may still be utilized as in the case of a typical tripod. The range of motion of the body sockets and the connectors which form the legs still allow for vertical positioning of the legs. Thus, the body portion 501 retains the tripod's usual functionality. The flaring, however, allows for greater bending of the legs in cases where the legs are used as gripping arms, such as when wrapped around vertical bars and the like. Thus the body portion 501 adds to the range of positions and to the types of uses that the apparatus may entertain.

[0040] FIGS. 11, 12, and 13 illustrate a series 333 of interconnected connectors 330, 331, 332 above the plurality of flexible legs. At a first end of the series 333 of interconnected connectors is a body portion 501, which is comprised of a body portion connector 330 which has three internal socket receiving cavities 340 at a first end in some embodiments. The internal socket receiving cavities 340 may flared at an angle from each other in some embodiments. The internal socket receiving cavities may have a rubberized grip ring 342 around their exterior in some embodiments. A socket engaging end surface 341 may be present at a second end.

[0041] At a second end of the series of interconnected connectors 333 is an interconnect portion comprising an interconnect connector 331. The interconnect connector has a first end portion with a internal socket receiving cavity 301 and a second end portion with a receiver 300 adapted to receive a removable clip. The first end portion may have a gripping portion 308 molded around its exterior circumference. The receiver 300 may have a flat surface 305 surrounded on three sided by a lip 302 in some embodiments. The removable clip 350 may have rails 352 adapted to slide under the lip 302 of the receiver 300 as the clip slides into the receiver 300 along the flat surface 305. The removable clip 350 has a recess 351 within its bottom surface adapted for the insertion of a tab 304. The tab 304 is part of a spring loaded lever 303 which rotates around a pin 306 in some embodiments.

[0042] The spring loaded lever 303 is adapted to deflect upon the pressure of the clip 350 being inserted into the receiver 300, wherein the tab 304 rotates down through the flat surface 305 of the receiver 300, and then locks the clip in place. Upon the pressing of the lever button 307, the spring loaded lever 303 rotates and the tab 304 rotates downward, removing the tab 304 from the recess 351 and allowing the clip to be removed by the user.

[0043] The series of interconnected connectors 333 may also have an intermediate connector 332 attached in between the interconnect connector 331 and the body portion connector 330. Although the balls and sockets of the various connectors are seen in a particular array in FIGS. 11-13, there may be a differing distribution of balls instead of sockets, and vice versa, in other embodiments.

[0044] As evident from the above description, a wide variety of embodiments may be configured from the description given herein and additional advantages and modifications will readily occur to those skilled in the art. The invention in its broader aspects is, therefore, not limited to the specific details and illustrative examples shown and described. Accordingly, departures from such details may be made without departing from the spirit or scope of the applicant's general invention.

Brief Patent Description - Full Patent Description - Patent Application Claims

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