Apparel – Guard or protector – Body cover
Patent
1984-12-20
1986-06-17
Schroeder, Werner H.
Apparel
Guard or protector
Body cover
414 7, 285168, 138120, A62B 1700, F16L 1118
Patent
active
045947341
ABSTRACT:
For use in hard space units and the like, shoulder and hip joints comprising three serially-connected truncated spherical sections, the ends of which converge. Ball bearings between the sections permit relative rotation. The proximal end of the first section is connected to the torso covering by a ball bearing and the distal end of the outermost section is connected to the elbow or thigh covering by a ball bearing. The sections are equi-angular and this alleviates lockup, the condition where the distal end of the joint leaves the plane in which the user is attempting to flex. The axes of rotation of the bearings and the bearing mid-planes are arranged to intersect in a particular manner that provides the joint with a minimum envelope. In one embodiment, the races of the bearing between the innermost section and the second section is partially within the inner race of the bearing between the torso and the innermost spherical section further to reduce bulk.
REFERENCES:
patent: 3405406 (1968-10-01), Vykukal
patent: 3759550 (1973-09-01), Peress
patent: 4151612 (1979-05-01), Vykukal
patent: 4369814 (1983-01-01), Humphrey
High-Pressure Protective Systems Technology, Aerospace Div. of ASME, 9th Intersoceity Conf. on Env. Sys., San Francisco, Calif., Jul. 16-19, 1979.
Brekke Darrell G.
Falik Andrew M.
Manning John R.
Marchant Robert D.
Schroeder Werner H.
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