Wedge lock unit

Details Wedge lock unit Wedge lock unit

1975-08-13

1976-07-27

Shedd, Wayne L.

Static structures (e.g., buildings)

Miscellaneous

403374, 403409, 83452, F16B 506

Patent

active

039711862

ABSTRACT:
A wedge lock unit is disclosed for clamping a subsystem chassis with two outwardly extending spaced apart flanges to a system main frame, from which a single flange or tab extends outwardly. The wedge lock unit includes a stationary member which is fixedly attached to one of the flanges of the subsystem chassis. The stationary member has two opposite wedged or sloping sides along which two movable wedging members with mating sloping sides rest. A drive mechanism, in the form of a rotatable screw, is used to apply a force, resulting in a clamping force, which urges the movable wedging members toward the tab of the main frame, which is inserted between the wedge lock unit and the other flange of the subsystem chassis, until the tab becomes clamped between the movable wedging members of the wedge lock unit and the other flange of the subsystem chassis. Spring means are provided which produce a reaction force on the movable wedging members. The reaction force direction is opposite the clamping force direction. When the clamping force is relieved, so as to unclamp the tab of the main frame, the reaction force urges the movable wedging members back to their unclamped position, thereby preventing the jamming of the movable wedging members against the unclamped tab of the system main frame.

REFERENCES:
patent: 419072 (1890-01-01), Richards
patent: 419073 (1890-01-01), Richards
patent: 1138368 (1915-05-01), Feeley
patent: 1333471 (1920-03-01), Davis
patent: 3048109 (1962-08-01), Feemster
patent: 3199619 (1965-08-01), Hathaway
patent: 3404907 (1968-10-01), Kane et al.
patent: 3489447 (1970-01-01), Weyer
patent: 3847493 (1974-11-01), Peter

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