Chairs and seats – Rest for knee – leg – or foot – Connected to chair or seat for relative movement
Patent
1980-11-12
1982-09-07
Zugel, Francis K.
Chairs and seats
Rest for knee, leg, or foot
Connected to chair or seat for relative movement
297437, 248405, A47C 750
Patent
active
043480519
ABSTRACT:
A seat has a foot-rest which is adjustable in height in simple manner by reason of the fact that it is pivoted on one of the threaded portions already present either on a column fast to a base or on a support fast to a seat proper.
REFERENCES:
patent: 135557 (1873-02-01), Huffman
patent: 275413 (1883-04-01), Rich
patent: 471184 (1892-03-01), Milner
patent: 636632 (1899-11-01), Carlton
patent: 912505 (1909-02-01), Stockwell
patent: 1160108 (1915-11-01), Hasty
patent: 1721221 (1929-07-01), Jaurequi
patent: 1723363 (1929-08-01), McArdle
patent: 2308358 (1943-01-01), Cramer
patent: 2659413 (1953-11-01), Cramer
Drucker William A.
La Telemecanique Electrique
Zugel Francis K.
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