Push button type combination lock

Details Push button type combination lock Push button type combination lock

1985-06-26

1987-06-09

Wolfe, Robert L.

Locks

Portable

Padlocks

70288, 70298, E05B 3714, E05B 3718

Patent

active

046710841

ABSTRACT:
An improved combination lock of the push button type which consists of three improvements. Firstly, its sliding member is not in direct contact with the latch which locks the hook, so that even an adroit lock-picker finds it difficult to find the correct code. Secondly, it is provided with a device to reset all the depressed buttons. Thirdly, the characters corresponding to the combination buttons are coated with phosphorescent material so as to enable one to discriminate the characters in the dark.

REFERENCES:
patent: 2497619 (1950-02-01), Mass
patent: 2549882 (1951-04-01), Berger
patent: 4476698 (1984-10-01), Treslo

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