Chairs and seats – Headrest – Adjustable rectilinearly vertically
Patent
1975-04-15
1976-09-07
Mitchell, James C.
Chairs and seats
Headrest
Adjustable rectilinearly vertically
A47C 110
Patent
active
039791505
ABSTRACT:
A chair has a backrest and a headrest which is supported by two struts which are longitudinally slidable and also rotatable in apertures of guide members provided in the backrest and in the headrest. The struts have transverse grooves which are engageable by detents in the guide members to hold the struts and hence the headrest in position. The struts are rotatable to disengage the detents from the grooves in the struts. The struts are thus removable both from the backrest and from the headrest. A transverse rod extending between the struts releasably holds them in angular position for engagement of the detents in the grooves.
REFERENCES:
patent: 3498672 (1970-03-01), Leichtl
Adams Bruce L.
August Froscher K.G.
Burns Robert E.
Lobato Emmanuel J.
Mitchell James C.
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