초록 ▼

A coin-operated lock for mounting on a trolley which is alternatively secured and released. The lock has two blockable keyholes for two separate keys, and a common fence which cooperates with the keyholes is adapted to move from a blocking position in one of the keyholes to a blocking position in th

A coin-operated lock for mounting on a trolley which is alternatively secured and released. The lock has two blockable keyholes for two separate keys, and a common fence which cooperates with the keyholes is adapted to move from a blocking position in one of the keyholes to a blocking position in the other keyhole upon insertion of a key into the latter keyhole, for securing one of the keys inserted into the corresponding keyhole.

대표청구항 ▼

A coin-operated lock adapted for installation on a trolley being part of a system of such trolleys, especially shopping and luggage trolleys, said lock being arranged for release of a secured trolley by insertion of a coin, and for repayment of the amount deposited when the trolley is returned, the

A coin-operated lock adapted for installation on a trolley being part of a system of such trolleys, especially shopping and luggage trolleys, said lock being arranged for release of a secured trolley by insertion of a coin, and for repayment of the amount deposited when the trolley is returned, the lock having two blockable keyholes for accepting separate keys, one of which being anchored to the trolley on which the lock is mounted, the lock being further arranged so that when a coin is inserted, one keyhole is released for accepting and securing the said key anchored to the same trolley, so that the other keyhole secures a key belonging to another trolley or a coupling unit, so that the other keyhole - when the said key anchored to the same trolley is inserted in the former keyhole - is released for release of the other key, and so that the former keyhole is released for release of the said key secured therein and anchored to the same trolley and for repayment of the coin when the other key is inserted in the other keyhole, characterized in that each keyhole has a tumbler arranged for securing a fence in a blocking position in one of the keyholes for securing a key inserted therein, and that the fence is movable from this blocking position to a blocking position in the other keyhole by means of abutment units which from the fence project into separate keyholes and which are adapted for actuation by a key which is inserted into the relevant keyhole.