F - Mech Eng,Light,Heat,Weapons – 16 – M
Patent
F - Mech Eng,Light,Heat,Weapons
16
M
248/35, 260/241.
F16M 11/12 (2006.01) F16M 11/24 (2006.01)
Patent
CA 1090757
ABSTRACT OF THE DISCLOSURE An improved camera tripod with a pan-head is presented in which the pivotal motion of the camera is controlled by friction resistance means which incorporate a rotor ring and at least one co-operating stator ring mounted on an axle so that the rotor keyed to the camera mounting platform rotates with it, and rotates relative to the stator which is fixed by key means to the non-pivoting part of the tripod. The rotor and stator have on their opposing faces a ring of ridges on one and a ring of grooves on the other which mate and touch at tapered sides thereof. Friction is increased by screw means on the axle which compress the rotor and stator together. The motion is made smoother by porous padding impregnated with lubricant of a viscous fluid between the contacting surfaces of the rotor and stator. The rotor and stator are loosely mounted on the axle to allow them to float somewhat and achieve their mutual alignment.
302762
Kurz Gerd
Shearn G. James M.
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