Patent
1975-03-10
1978-01-03
Hix, L. T.
354141, 354145, G03B 1505
Patent
active
040670295
ABSTRACT:
An adapter effects delayed firing of an electronic flash unit in response to activation of a photographic camera of the type provided with a striking member which otherwise serves to effect firing of impact-fired flash bulbs. The adapter includes a housing configurated to be mounted on such a camera with a predetermined position relative to the striking member of such camera. Inside the housing an inertial body is mounted for swinging movement about a predetermined axis. A biasing arrangement urges the inertial body in a predetermined direction. A synchronizing switch device is activatable by the inertial body when the latter assumes a predetermined activating position, for effecting firing of an electronic flash unit. The inertial body is so located relative to the mounting portion of the housing as to be set into motion against the force of the biasing arrangement by the striking force of a striking member on a camera to which the adapter is connected. When so set in motion the inertial body describes a predetermined path of movement in which it reaches the activating position.
REFERENCES:
patent: 3550514 (1970-12-01), Harvey
patent: 3672813 (1972-06-01), Horton
patent: 3731605 (1973-05-01), Kitagawa
patent: 3882519 (1975-05-01), Winkler et al.
Engelsmann Dieter
Vesper Rainer
AGFA-Gevaert AG
Hix L. T,.
Mathews Alan
Striker Michael J.
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