Lock for two-notch locking bolt comprising a single switch

Details Lock for two-notch locking bolt comprising a single switch Lock for two-notch locking bolt comprising a single switch

Filed on

2005-10-17

Date issued

2010-12-28

Examiner

Lugo, Carlos (Department: 3673)

Patent Class

Closure fasteners

SubClass

Bolts

SubSubClass

Swinging

Other Related Categories

C292S201000

Type

Reexamination Certificate

Status

active

Patent number

07857362

Description

ABSTRACT:
A lock for an opening panel. The lock includes a rotary bolt with first and second locking notches, a strike which can be engaged in the bolt in order to lock the opening panel, a retaining pawl including at least one tooth which co-operates with the locking notches of the bolt in order to lock same in relation to the first or second locking notch, and a switch which is controlled with a control lever. The switch has two states which indicate if the lock is open or closed. In addition, the switch includes a mechanical element which co-operates with the control lever when the lock is closed, such that the switch indicates that the lock is closed only when the tooth of the retaining pawl co-operates with the second locking notch of the bolt. The mechanical element includes a pawl which maintains the control lever in position, thereby preventing the switch from changing from the first state to the second state.

REFERENCES:
patent: 4219227 (1980-08-01), Grabner et al.
patent: 4298223 (1981-11-01), Raffelsiefer et al.
patent: 5273324 (1993-12-01), Kobayashi
patent: 5564761 (1996-10-01), Mizuki et al.
patent: 5785364 (1998-07-01), Kleefeldt et al.
patent: 5810423 (1998-09-01), Brackmann et al.
patent: 5868444 (1999-02-01), Brackmann et al.
patent: 6175202 (2001-01-01), Weyerstall et al.
patent: 6848727 (2005-02-01), Cetnar et al.
patent: 6886869 (2005-05-01), Martinez et al.
patent: 2003/0080569 (2003-05-01), Raymond et al.
International Search Report for PCT/EP2005/055292 mailed Dec. 2, 2005 with translation (4 pages).

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