Floating wedge coupling

Details Floating wedge coupling Floating wedge coupling

1989-10-16

1991-04-09

Cranmer, Laurie K.

Chairs and seats

Having detachably interfitting parts or components; i.e.,...

Interfitted back and back frame

24653, 297452, A47C 700

Patent

active

050059084

ABSTRACT:
A coupling for attaching a seat back to a seat cushion particularly for an automotive seat assembly in which the coupling includes a tapered plate member extending upwardly from the rear of the seat cushion and a housing attached to the frame of the seat back into which the plate member is inserted by moving the seat back down onto the seat cushion. A spring biased wedge is disposed within the housing and biases the plate member toward one side of the housing. When the plate member is fully inserted into the housing, one sidewall of the housing is seated into a recess in the edge of the plate member and held in place by the wedge. Once the sidewall housing is seated in the plate member recess, movement of the housing relative to the plate member is prevented. The seat back is removable for servicing by moving the wedge out of its position holding the plate member in place so as to enable the housing sidewall to be withdrawn from the plate member recess to enable separation of the housing and plate member.

REFERENCES:
patent: 503043 (1893-08-01), Good
patent: 3230594 (1966-01-01), Smith
patent: 3332117 (1967-07-01), McCarthy
patent: 3908243 (1975-09-01), Lou et al.
patent: 3989298 (1976-11-01), Cycowicz et al.
patent: 4890888 (1990-01-01), Kostin

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