Tripod to support photographic equipment with tripod legs that quickly convert from a folded condition to an assembled condition

摘要

The present invention relates to the concept of a tripod having three separate legs which can placed on a surface such as the ground and which come together at a joint location at the top portion of the legs to retain a support member to which a piece of photographic equipment such as a camera can be attached. The present invention relates specifically to the field of photography tripod support equipment which contains tripod legs wherein each leg of the tripod is composed of a multiplicity of sections which can be folded up and retained in the folded condition for transport and thereafter, can be converted to legs which are immediately in the in-use condition after the mechanism which retains the legs in the folded condition is released to permit the three tripod legs to be quickly unfolded and automatically placed into the in-use condition.

主权项

1. A tripod to retain photographic equipment, the tripod consisting of:
a. a first leg member having three separate sections, an upper section having a first end and a second end, a middle section having a first end and a second end, a lower section having a first end and a second end, each leg section having a cylindrical outer wall surrounding an interior hollow cavity, the first end of the middle section having a beveled outer surface adjacent the first end and a diameter which is smaller than a diameter of the hollow cavity of the upper section at its second end, the second end of the upper section also beveled, the beveled ends facilitating insertion of the first end of the middle section into the hollow cavity of the upper section at its second end, the first end of the lower section having a beveled outer surface adjacent the first end and a diameter which is smaller than a diameter of the hollow cavity of the middle section at its second end, the second end of the middle section also beveled, the beveled ends facilitating insertion of the first end of the lower section into the hollow cavity of the middle section at its second end, a first end cap having a receiving member therein, the first end cap retained on the lower section at its second end so that the receiving member is retained in the hollow cavity of the lower section adjacent its second end, a connecting pin extending through the upper section adjacent its first end, a flexible and stretchable cord extending through the interior hollow cavity of the upper, middle and lower sections, the flexible and stretchable cord having a first end retained on the connecting pin and a second end retained on the receiving member, the cord in tension which causes the first end of the lower section to be rapidly inserted into the second end of the middle section and the first end of the middle section to be rapidly inserted into the second end of the upper section, the upper section rotatably retained on a platform by the connecting pin, the platform having a member to retain the photographic equipment; b. a second leg member having three separate sections, an upper section having a first end and a second end, a middle section having a first end and a second end, a lower section having a first end and a second end, each leg section having a cylindrical outer wall surrounding an interior hollow cavity, the first end of the middle section having a beveled outer surface adjacent the first end and a diameter which is smaller than a diameter of the hollow cavity of the upper section at its second end, the second end of the upper section also beveled, the beveled ends facilitating insertion of the first end of the middle section into the hollow cavity of the upper section at its second end, the first end of the lower section having a beveled outer surface adjacent the first end and a diameter which is smaller than a diameter of the hollow cavity of the middle section at its second end, the second end of the middle section also beveled, the beveled ends facilitating insertion of the first end of the lower section into the hollow cavity of the middle section at its second end, a second end cap having a receiving member therein, the second end cap retained on the lower section at its second end so that the receiving member is retained in the hollow cavity of the lower section adjacent its second end, a connecting pin extending through the upper section adjacent its first end, a flexible and stretchable cord extending through the interior hollow cavity of the upper, middle and lower sections, the flexible and stretchable cord having a first end retained on the connecting pin and a second end retained on the receiving member, the cord in tension which causes the first end of the lower section to be rapidly inserted into the second end of the middle section and the first end of the middle section to be rapidly inserted into the second end of the upper section, the upper section rotatably retained on the platform by the connecting pin; c. a third leg member having three separate sections, an upper section having a first end and a second end, a middle section having a first end and a second end, a lower section having a first end and a second end, each leg section having a cylindrical outer wall surrounding an interior hollow cavity, the first end of the middle section having a beveled outer surface adjacent the first end and a diameter which is smaller than a diameter of the hollow cavity of the upper section at its second end, the second end of the upper section also beveled, the beveled ends facilitating insertion of the first end of the middle section into the hollow cavity of the upper section at its second end, the first end of the lower section having a beveled outer surface adjacent the first end and a diameter which is smaller than a diameter of the hollow cavity of the middle section at its second end, the second end of the middle section also beveled, the beveled ends facilitating insertion of the first end of the lower section into the hollow cavity of the middle section at its second end, a third end cap having a receiving member therein, the third end cap retained on the lower section at its second end so that the receiving member is retained in the hollow cavity of the lower section adjacent its second end, a connecting pin extending through the upper section adjacent its first end, a flexible and stretchable cord extending through the interior hollow cavity of the upper, middle and lower sections, the flexible and stretchable cord having a first end retained on the connecting pin and a second end retained on the receiving member, the cord in tension which causes the first end of the lower section to be rapidly inserted into the second end of the middle section and the first end of the middle section to be rapidly inserted into the second end of the upper section, the upper section rotatably retained on the platform by the connecting pin; d. a wrapper member having a body slidably retained on a section of the first leg, the wrapper including a flexible strap retained at one end on the body, the second end of the flexible strap retained on a receiving opening in the body; e. the respective upper section, middle section and lower section of the first leg member, second leg member and third leg member are foldable so that, in the folded condition, each section of each leg member is separated from an adjacent section on the leg member and folded so that the three sections of each leg member are adjacent to each other but retained together by the flexible and stretchable cord extending through the three sections of a given leg member, the folded sections of the three legs retained together by the flexible strap on the wrapper member wrapped around all sections of all three leg members and fastened by the second end retained in the receiving opening in the body of the wrapper member, and when the flexible strap is unwound, a respective one of the middle and lower sections of each leg member rapidly close into an adjacent leg section and a respective one of the middle and upper sections of each leg member rapidly close into an adjacent leg section to rapidly form an erect tripod, with the three leg members each retained in an opened condition due to the tension on the interior in each respective leg member created by a respective flexible and stretchable cord inside each respective leg member serves to form an erect tripod, the three leg members only connected by the platform, the three leg members retained in an opened condition to support the photographic equipment without requiring any additional interconnecting support between the three leg members; f. each of the three leg sections which are connected to the platform are rotatably connected to the platform, the platform in turn is used to support a photographic equipment mounting member which are hemispherical sections which in turn support a rotatable ball member which contains the platform and a threaded member extending through the platform, which threaded member is threaded into a receiving member on a piece of photographic equipment so that the piece of photographic equipment is rotated and adjusted to any desired angle based on the ball member and an adjustment member on the ball member; and, g. each of the three leg members when in the opened condition are sufficiently strong to support a piece of photographic equipment.