Chairs and seats – Armrest – Attachable to diverse chairs or seats; i.e. – portable
Patent
1983-02-10
1985-01-29
Zugel, Francis K.
Chairs and seats
Armrest
Attachable to diverse chairs or seats; i.e., portable
297417, A47C 754
Patent
active
044961901
ABSTRACT:
Parallel folding armrest assembly for use on a vehicle seat has a rear hollow housing portion with a forward armrest portion pivotally mounted at its forward end for movement between several parallel positions including a low position which can form a seat cushion extension. The housing portion comprises one elongated element of a four-link parallelogram linkage and has a curved upper forward end surface which conceals the linkage and prevents any possibility of finger pinching during adjustment. An actuating lever positioned in the armrest can be manually lifted about a pivot pin to release a locking pawl slidably carried on one of the parallelogram links from engagement with a selected tooth of a curved rack attached interiorly of the aforementioned curved end surface. A single round bar pivotally supports the housing and is adapted to be demountably fixed to the rear short parallelogram link. The single bar facilitates mounting of the assembly to either side of a seat and to a variety of seat configurations. A modified construction includes a spring biased locking link which is released by forward sliding movement of the actuating lever to permit tipping up of the armrest to facilitate access to the seat.
REFERENCES:
patent: 3489458 (1970-01-01), Karlsen
patent: 4165901 (1979-08-01), Swenson et al.
patent: 4244623 (1981-01-01), Hall et al.
patent: 4307913 (1981-12-01), Spiegelhoff
patent: 4311338 (1982-01-01), Moorhouse
Clark Barry L.
Hoatson Jr. James R.
Page II William H.
UOP Inc.
Zugel Francis K.
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