Latch assembly for a door or window

Details Latch assembly for a door or window Latch assembly for a door or window

1986-11-20

1988-01-12

Gall, Lloyd A.

Closure fasteners

Bolts

Sliding

2923363, 292337, 292DIG30, 292DIG63, E05C 114

Patent

active

047187042

ABSTRACT:
A latching assembly particularly well suited for being mounted on the outside of an insulated door without having to disturb or reduce the insulating material, and which is concealed from view by a channel-like handle used for opening the door. The latching assembly includes a helical cam that rotates as the handle pivots and further includes a follower that is driven by the helical cam parallel to the axis of rotation. The latch bolt is attached to this follower, whereby pivoting motion of the handle is converted into translational motion of the latch bolt.

REFERENCES:
patent: 244405 (1881-07-01), Strong
patent: 261998 (1882-08-01), Carson
patent: 317051 (1885-05-01), Walsh
patent: 1427253 (1922-08-01), Appleby
patent: 1448298 (1923-03-01), Hight
patent: 1840252 (1932-01-01), Reinhart
patent: 2016196 (1935-10-01), Handfield
patent: 2088665 (1937-08-01), Pinson
patent: 2796628 (1957-06-01), Van Meter

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