Supports – Resilient support – Adjustable preloading of resilient means
Patent
1981-07-21
1984-06-19
Schultz, William H.
Supports
Resilient support
Adjustable preloading of resilient means
248600, 248602, F16M 1300
Patent
active
044550103
ABSTRACT:
A resilient support for seats comprising telescoping members with a plurality of resilient members positioned therein in a series relationship with the telescoping members' relative movement; a plurality of resilient members stacked in a series relationship between the telescoping members, the resilient members each having an equal or different shore durometer hardness; an adjustment member for preloading said resilient members; and a lubricious bushing positioned between the contacting surfaces of the telescoping members.
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patent: 603735 (1898-05-01), Porter
patent: 1036813 (1912-08-01), Edsall et al.
patent: 1868439 (1932-07-01), Zielinski
patent: 1876812 (1932-09-01), Wiley et al.
patent: 2681686 (1954-06-01), Sheron
patent: 3128071 (1964-04-01), Frazer-Nash
patent: 4324382 (1982-04-01), Beukema et al.
patent: 4379540 (1983-04-01), French
Gilliam Frank D.
Schultz William H.
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