Lock, especially for automotive doors, flaps or the like

Details Lock, especially for automotive doors, flaps or the like Lock, especially for automotive doors, flaps or the like

2007-02-13

2007-02-13

Estremsky, Gary (Department: 3676)

Closure fasteners

Bolts

Swinging

C292S201000

Reexamination Certificate

active

10505202

ABSTRACT:
The invention relates to a lock, especially for automotive doors or flaps, comprising a rotary latch (20) with which a closing element (13) engages when the door is closed and which pivots the rotary latch (20) from an open position via a pre-latch position to a main latch position. The lock further comprises a catch (30) which, in a pre-latch position, engages with a pre-stop notch provided on the rotary latch (20), and in a main latch position engages with a main stop notch provided on the rotary latch (20). An actuating element (40) acts upon the catch (30) in the manner of a power-driven opening assistance. An actuating surface (44) which radially enlarges in the direction of rotation (42) effects the lifting of the latch (30) in a simple manner. A loaded lever on the lock prevents the catch (30) from re-engaging with the rotary latch (20) once the catch (30) is disengaged, in case the rotary latch (20) does not pivot to the open position due to a load. The inventive lock is inexpensive to produce and very reliable due to its simple design.

REFERENCES:
patent: 4395064 (1983-07-01), Bellot et al.
patent: 6048002 (2000-04-01), Ohta et al.
patent: 6575507 (2003-06-01), Reddmann
patent: 196 17 428 (1997-11-01), None
patent: 196 50 826 (1998-06-01), None
patent: 199 27 416 (2001-01-01), None
patent: 100 43 574 (2001-11-01), None

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