Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support
Patent
1980-04-04
1981-12-29
Vlachos, Leonidas
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
408 80, 408115B, 294264, B23B 4100, B23B 4902
Patent
active
043079830
ABSTRACT:
An apparatus for cutting away outer portions of the housing of a lock assembly in order to "pull" the lock assembly and gain entry into a safety deposit box or into an enclosure locked with a cam or similar lock, the invention allows entry into a locked enclosure with a minimum of damage to the lock. The apparatus comprises an annular guide member which fits about a safety deposit box lock or cam lock to position an annular cutting element relative to the lock so that a portion of the lock housing can be cut away to allow subsequent opening of the safety deposit box door. The annular cutting element extends through a central opening formed in the guide member and rotates within this opening, the depth of cut being controlled by a post member disposed internally of the cutting element.
REFERENCES:
patent: 2484150 (1949-10-01), Brown
patent: 2797598 (1957-07-01), Labenz
patent: 3849019 (1974-11-01), Green
patent: 4261093 (1981-04-01), Steffen et al.
Blough LeVone A.
Gregory David L.
Darnell Kenneth E.
Dyna Bolt Corporation
Vlachos Leonidas
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