Mechanism for latching and unlatching a hatch assembly

Details Mechanism for latching and unlatching a hatch assembly Mechanism for latching and unlatching a hatch assembly

1994-10-04

1996-10-22

Meyers, Steven N.

Closure fasteners

Bolts

Swinging and camming

2922565, E05C 304

Patent

active

055669921

ABSTRACT:
A hatch dog handle mechanism includes a rotatable hub assembly which includes a handle, a locking lug. A locking plate or portion of the frame is also provided for engagement by the locking lug. The locking lug is rotatable about a central axis through a limited arc by the handle. The handle is also rotatable through a limited are about a second axis which is perpendicular to the first axis. The mechanism also includes a locking element to prevent rotation of the handle about the second axis and a second locking element to prevent rotation of the handle about the first axis when in a first position with respect to the second axis.

REFERENCES:
patent: 205568 (1878-07-01), Morris
patent: 543765 (1895-07-01), Elting
patent: 815537 (1906-03-01), Kissinger
patent: 1898543 (1933-02-01), Johnson
patent: 1919328 (1933-07-01), Hansen
patent: 1957642 (1934-05-01), Hansen
patent: 2361298 (1944-10-01), Laddon
patent: 2914000 (1959-11-01), Mulcahy
patent: 3652112 (1972-03-01), Panelli
patent: 3913971 (1975-10-01), Green
patent: 4683731 (1987-08-01), Wickman

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