초록 ▼

A knocked-down portable geodetic surveying station in kit form is disclosed which utilizes a GPS antenna attached to the top portion of a surveyor's stake, or other type monopole. By positioning the bottom portion of the monopole directly upon a desired ground location, and adjusting the angular pos

A knocked-down portable geodetic surveying station in kit form is disclosed which utilizes a GPS antenna attached to the top portion of a surveyor's stake, or other type monopole. By positioning the bottom portion of the monopole directly upon a desired ground location, and adjusting the angular position of the monopole so that it is precisely vertical, the GPS antenna may be quickly and accurately positioned level and directly above the desired ground location. The GPS antenna and monopole are designed to be used in conjunction with a newly designed geodetic surveying tripod which can be quickly and conveniently set up to support the monopole in its vertical position directly above the desired ground location. The tripod of the present invention includes a tripod head which comprises a base platform, a first housing slidably mounted on the platform to permit the first housing to move along a first directional path, and a second housing slidably mounted within the first housing to permit the second housing to move along a second directional path, generally orthogonal to the first directional path. Mounted pivotally within the second housing is a gimbal which includes a central cavity for receiving the shaft of the monopole. The gimbal allows the angular position of the monopole and GPS antenna to be adjusted independently of the angular position tripod platform.

대표청구항 ▼

[ What is claimed is:] [1.] A knocked-down portable survey station in kit-form adapted to be assembled on-site for geodetic surveying comprising:a surveyor's stake having an upper end and a lower end, said stake comprising a plurality of sections, each of said sections including means for releasably

[ What is claimed is:] [1.] A knocked-down portable survey station in kit-form adapted to be assembled on-site for geodetic surveying comprising:a surveyor's stake having an upper end and a lower end, said stake comprising a plurality of sections, each of said sections including means for releasably attaching a first section to a second section;a satellite positioning system antenna releasably attachable to the upper end of said stake; anda tripod having a tripod head and at least three legs releasably and hingedly attachable at their upper ends to said tripod head, each of said legs comprising at least one of said plurality of sections;said tripod head including:a base platform releasably attachable to said tripod legs; anda base positioning assembly movably attached to said platform for providing a pivot assembly at least two dimensional freedom of motion in a planes said base positioning assembly comprising a first housing slidably mounted on said platform to permit said first housing to move along a first directional path, and a second housing slidably mounted to said first housing to permit said second housing to move along a second directional path which is different from said first directional path;said pivot assembly pivotally being attached to said base positioning assembly for providing at least partial freedom of rotation about at least two orthogonal axes, said pivotal assembly includes a gimbal pivotally mounted to said second housing to permit said gimbal to pivot about both an x-axis and a y-axis, said gimbal including a central cavity for receiving said stake.