Spacesuit sizing and tension relief bearing

Details Spacesuit sizing and tension relief bearing Spacesuit sizing and tension relief bearing

1998-12-15

2000-12-12

Neas, Michael A.

Apparel

Guard or protector

Body cover

A62B 1700, B64G 600

Patent

active

061580503

ABSTRACT:
An assembly (100) for adjusting the size of a spacesuit and/or for relieving tension applied to the spacesuit is provided in which first and second members (102,104) slide relative to one another along a longitudinal axis (106) to vary the assembly's length. The members (102,104) define a first region (116) which is internal to both members and which changes in volume as the length of the assembly is varied and a second region (118) which is external to the first member (102) and internal to the second member (104) and which also changes in volume as the length of the assembly is varied. The first and second regions (116,118) are connected to one another by a gas conducting path (120). These regions (116,118) have sealed cross-sectional areas which are substantially equal to one another. In this way, pressurization of the spacesuit produces no net sliding motion of the first and second members (102,104) along the longitudinal axis (106). In addition, the members (102,104) can move relative to one another without changing the sealed internal volume of the spacesuit. Preferably, the first and second members (102,104) can rotate relative to one another about the longitudinal axis (106), whereby the assembly (100) can serve as a bearing for the spacesuit.

REFERENCES:
patent: 3507523 (1970-04-01), Cadley
patent: 3636564 (1972-01-01), Vykukal
patent: 3754779 (1973-08-01), Peress
patent: 4151612 (1979-05-01), Vykukal
patent: 4596054 (1986-06-01), MacKendrick et al.
patent: 4598427 (1986-07-01), Vykukal
patent: 4598428 (1986-07-01), Vykukal
patent: 5068919 (1991-12-01), MacKendrick et al.

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