Fitting for adjustably connecting a backrest member to a seat me

Details Fitting for adjustably connecting a backrest member to a seat me Fitting for adjustably connecting a backrest member to a seat me

1976-01-19

1977-05-24

Frazier, Roy D.

Chairs and seats

Laterally folding or collapsing back

One-piece bottom and back

16139, 297362, 297366, A47C 1027, B60N 106

Patent

active

040251098

ABSTRACT:
A first mounting member can be secured to a backrest member of a seat, such as a seat of an automotive vehicle, and a second mounting member can similarly be secured to the seat member of the seat. A ring gear is provided on one of the mounting members and has inwardly directed teeth, and the other mounting member has a spur gear received within the ring gear and having outwardly directed teeth which mesh with play with the inwardly directed teeth. The spur gear has an outer diameter smaller than the root diameter of the ring gear by at least the height of one tooth and the number of inwardly directed teeth is different from the number of outwardly directed teeth by at least one. An eccentric arrangement is provided, extending through the gears and being movable to and from a position in which it effects relative radial displacement of the gears to such an extent as to eliminate the aforementioned play.

REFERENCES:
patent: 3401979 (1968-09-01), Putsch
patent: 3423785 (1969-01-01), Pickles
patent: 3471892 (1969-10-01), Resag et al.
patent: 3479088 (1969-11-01), Bonnaud
patent: 3511534 (1970-05-01), Turner
patent: 3667804 (1972-06-01), Yasui et al.
patent: 3719387 (1973-03-01), Boschen et al.
patent: 3731342 (1973-05-01), Cousin
patent: 3823440 (1974-07-01), Klingelhofer

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