Geometrical instruments
Patent
1974-11-07
1976-04-13
McGlynn, Joseph H.
Geometrical instruments
339198J, 220 39, 248223, A47F 508, H01R 1346, H02G 310
Patent
active
039500543
ABSTRACT:
A generally U-shaped adapter bracket is disclosed for use in converting a conventional surface mounted telephone connecting block into a connecting block having a cover which includes a jack for receiving a plug-ended line cord. The adapter bracket includes a plurality of apertures in its rear surface to provide capability of using it with various conventional connecting blocks. Communicating passageways from the edge of the bracket to the apertures are provided to allow installation of the bracket over a connecting block without removing the connecting block from its wall-mounted position.
REFERENCES:
patent: 1774934 (1930-09-01), Mangin
patent: 2913210 (1959-11-01), Tichnor
patent: 2991968 (1961-07-01), Lydard
patent: 3040926 (1962-06-01), Palmer
patent: 3536281 (1970-10-01), Meehan et al.
patent: 3588019 (1971-06-01), Cozeck et al.
Love James M.
Ward Ronald C.
Black Robert J.
Feinberg Craig R.
GTE Automatic Electric Laboratories Incorporated
Heid David W.
McGlynn Joseph H.
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