FI67247C - NYCKELLOES LAOSNINGSANORDNING - Google Patents

Description

67247

Explanation

Keyless locking device 1. General

The invention relates to a keyless locking device for a box or the like, in which case the locking ball or body can be moved to a position in which the locking device can be opened by illegal turning.

Padlocks are already known which, by turning upside down, the ball falls into the release position of the handle. In addition, boxes are known in which the locking device can be opened by moving the ball by means of a very complex series of movements, e.g. in U5 patent publication 4 136 542.

The basic idea of the keyless locking device according to the application is to find the right combination of gravity-driven ball movement and mechanical transmission rotation to unlock. The latch that prevents the device from opening must be moved so that it is clear of the nuisance. The anti-transfer ball must be forced to move out of its normal position by gravity by moving the device to a specified position. 20 The ball is then moved to the side by mechanical rotation, allowing the latch to move so that the device opens.

Combining several gravitational rotation steps in series provides a combination lock.

25 Application

The drawings show the application of the locking principle.

- Figure 1 locking device in basic position

Figure 2 Phase I

- Figure 3 Phase II

30 - picture 4 partial pictures

Figure 5 Phase ITI

Figure 6 Phase IV

2 67247

Parts List - Part 1 Frame - Part 2 Movable Cover Latch - Part 3 Swivel Ball Transfer 5 - Part 4 Ball - Part 5 Screw - Part 6 Cover Latch Lock Pin

When the device is in the basic position, the cover latch is prevented from rotating and at the same time the device can be opened by means of the locking pin 6.

10 The end movement of the cover latch is blocked by a ball in the recess in the latch 4.

To open, proceed as follows:

Step I The device is turned upside down so that the ball 4 (Fig. 2) falls into the notch in the ball converter 3.

15 Step TI The ball transfer 3 is turned to the side, which (Fig. 3) prevents the ball from falling back into the hole in the latch 2. The device is turned back in the correct direction.

Step TII The cover latch 2 is moved backwards, whereby it is released from the locking pin 6 and pivots to the side, opening the device.

Step TV When the ball converter is turned 180 ° with the latch 2 (Fig. 8) in the rear position, the ball 4 falls into the notch in the latch 2, buying the latch movement 25 forward and thus preventing the device from locking.