Locking system for articulated fittings of car seats, in particu

Details Locking system for articulated fittings of car seats, in particu Locking system for articulated fittings of car seats, in particu

1994-12-15

1996-07-30

Bonck, Rodney H.

Machine element or mechanism

Elements

Pawls and ratchets

74575, 74576, 74577R, 74577M, 297367, G05G 500

Patent

active

055401171

ABSTRACT:
A locking system for articulated fittings of car seats with a free-swivelling backrest. In particular, a wobble fitting is used with the articulated fitting and is made up of at least one notch, with which a pawl engages in a locking position, and a first clamping surface as the contact surface for an operating and safety element. The operating and safety element can be rotated around a swivel axis so as to increase the clamping force exerted on the pawl and is spring-loaded to secure the pawl in the locking position by using a second clamping surface, which rests without self-locking against the first clamping surface of the pawl. The operating and safety element includes a catch surface such that, when the pawl rests against the first clamping surface, it prevents the pawl from exerting an opening moment on the operating and safety element.

REFERENCES:
patent: 4223947 (1980-09-01), Cremer
patent: 4611853 (1986-09-01), Lehmann et al.
patent: 5154476 (1992-10-01), Haider et al.

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