Device to limit relative speed of two elements

Details Device to limit relative speed of two elements Device to limit relative speed of two elements

1990-02-27

1991-12-10

Brown, Peter R.

Brakes

Operators

Automatic

74 8915, 188196D, 297361, A47C 1027, E05F 500, E05D 1108

Patent

active

050709690

ABSTRACT:
The device (1) to prevent unintentional movements of surfaces (17, 18) which are movable towards each other essentially comprises a cylindrical casing (2) with crosspiece heads (5) connected to said casing and extending in a transverse direction and a safety mechanism (3) within said casing for a screw (4) capable of being retracted into and extended from said casing which screw is connectable via a T-shaped crosspiece to a second surface part.

REFERENCES:
patent: 3046055 (1962-07-01), Martens
patent: 3350135 (1967-10-01), Martens
patent: 3398986 (1968-08-01), Homier
patent: 4662485 (1987-05-01), Kanjo et al.
patent: 4840257 (1989-06-01), Harrison

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