초록 ▼

An infant carrier base including a frame having a head edge and a foot edge and side edges with an upper surface and a lower surface. The base has a cylindrical aperture formed vertically through the carrier and female threads extending radially inwardly with respect to the aperture. A cylindrical a

An infant carrier base including a frame having a head edge and a foot edge and side edges with an upper surface and a lower surface. The base has a cylindrical aperture formed vertically through the carrier and female threads extending radially inwardly with respect to the aperture. A cylindrical adjustment rod is provided with male threads extending radially outwardly along the length thereof. A dial is secured with respect to the upper end of the cylindrical adjustment rod and a levelling foot is secured with respect to the lower end of the adjustment rod.

대표청구항 ▼

[ What is claimed as being new and desired to be protected by Letters Patent of the United States is as follows:] [3.] An infant carrier base comprising:a frame having a head edge and a foot edge and side edges, said frame having an upper surface and a lower surface;a cylindrical aperture formed ver

[ What is claimed as being new and desired to be protected by Letters Patent of the United States is as follows:] [3.] An infant carrier base comprising:a frame having a head edge and a foot edge and side edges, said frame having an upper surface and a lower surface;a cylindrical aperture formed vertically through the carrier base and female threads extending radially inward with respect to the aperture;a cylindrical adjustment rod having male threads extending radially outwardly along a length thereof;a dial secured to the frame adjacent to an upper end of the aperture; anda leveling foot secured to the lower end of the adjustment rod and adapted to be raised by a rotation of the dial in a first direction and to be lowered by a rotation of the dial in an opposite second direction, the threads having a pitch of substantially 0.167 inches, an angle of substantially 45 degrees above and an angle of substantially 7 degrees below with a flat of substantially 0.027 inches.