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Title:
Floor imbedded door bolt
Abstract:
A security door stop bolt mounted in the floor preventing entrance through the door including a tube housing imbedded in the floor with a door stop sliding in the tube, nestled in the tube when not in use but raised with a manual lifting means to prevent inadvertent triggering of the stop bolt with a carpet cut out attached to the top of the door stop to hide the entire mechanism.
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Inventors:
Steiner, John W. (Millville, NJ)
Application Number:
06/151900
Filing Date: 1980-05-21 Publication_date: 1982-08-10 Assignee:
THUNDERBOLT CORP
Primary Class(es):
292/175
292/144, 292/150, 16/82, 292/DIG.015
Other Classes:
E05C17/48; E05C17/00; E05C1/10
US Patent Ref:
| 2497697 | February, 1950 | Smith | 292/251.5 | Doorstop | | 2809062 | October, 1957 | Mainhardt | 292/144 | Latch mechanism | | 3330585 | July, 1967 | Pollin | 292/164 | Doorstop | | 3563586 | February, 1971 | Creamer | 292/144 | FLOOR BAR LOCK: FAIL SAFE | | 4183565 | January, 1980 | Allemann | 292/150 | Latch bolt locking mechanism for fire door locksets | | 4227726 | October, 1980 | Sorimachi | 292/251.5 | Door operating equipment |
Other Refs:
Primary Examiner:
Moore, Richard E.
Assistant Examiner:
Attorney:
Lennox, Thomas A.
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