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In a keyboard housing a housing top with a key pad and a housing bottom with support legs wherein the housing includes a support mat and a multi-layer contact foil set arranged underneath the key pad to be actuated thereby, a metal plate is embedded in a recess formed in the housing bottom below the

In a keyboard housing a housing top with a key pad and a housing bottom with support legs wherein the housing includes a support mat and a multi-layer contact foil set arranged underneath the key pad to be actuated thereby, a metal plate is embedded in a recess formed in the housing bottom below the contact foil set so as to increase weight and rigidity of the housing without the need for special molded housing reinforcement structures, the housing bottom, however, having U-shaped reinforcement web structures with bearing studs at their base areas near the housing bottom and housing legs with bearing holes receiving the bearing studs so as to be pivotally supported thereby, the housing legs having locking grooves and the housing bottom having, between the web structures, engagement tongues with locking ribs for engagement with the locking grooves in the housing legs.

대표청구항 ▼

A keyboard having a housing top with a key pad and a housing bottom, a key support mat and a multi-layer contact foil set disposed within said housing underneath said key pad, a metal plate embedded in a recess formed in said housing bottom below said contact foil set, said keyboard bottom having in

A keyboard having a housing top with a key pad and a housing bottom, a key support mat and a multi-layer contact foil set disposed within said housing underneath said key pad, a metal plate embedded in a recess formed in said housing bottom below said contact foil set, said keyboard bottom having integral U-shaped reinforcement webs provided, at their lower ends remote from the housing bottom, with a support surface and having side walls with bearing studs projecting from said side walls toward one another adjacent the housing bottom, and housing legs having at one of their ends bearing cavities receiving said bearing studs so as to be pivotally supported thereby, said housing legs having, at their one ends, outer circular wall portion extending in a partial circle around said bearing cavities and, at their outer circumference adjacent the housing bottom circumferentially spaced locking grooves and said housing bottom having, integrally formed with said housing bottom, resilient locking tabs with locking ribs which are disposed within said U-shaped webs and adapted to engage said locking grooves in said support legs for locking said support legs in their end positions.