Control device for operation by the mouth of a handicapped perso

Details Control device for operation by the mouth of a handicapped perso Control device for operation by the mouth of a handicapped perso

1977-03-04

1978-10-03

Yasich, Daniel M.

Fluid handling

Systems

Dividing into parallel flow paths with recombining

3 12, 128 1R, 180 99, 200 81R, 251 4, B60K 2600, F16K 3104

Patent

active

041178637

ABSTRACT:
The invention relates to detecting or control devices for the control of utilization circuits particularly by handicapped persons who can move only their jaws. By squeezing action of the mouth, signal lines in a pressurized fluid deformable control member are selectively controlled to perform needed control functions.
This device comprises a control member of a resiliently deformable material which comprises a central reinforced, non squeezable, passage and non reinforced radial passages.
The central passage and the radial passages are connected together at one end of the control member. At the other end of the control member the central passage is connected to a supply unit and the radial passages to a measuring unit by means of flexible tubular connections. A continuous signal is fed in the central passage and the intensity of the return signals in the radial passages depends on the mechanical deformation of the control member.

REFERENCES:
patent: 1682341 (1928-08-01), Keplinger
patent: 2588038 (1952-03-01), Pagenhardt
patent: 2626585 (1953-01-01), Mendes
patent: 2885686 (1959-05-01), Giamo
patent: 2912821 (1959-11-01), Horak
patent: 3103911 (1963-09-01), Tappan et al.
patent: 3315703 (1967-04-01), Matthews et al.
patent: 3974858 (1976-08-01), Nielson

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