Foldable leg construction

Claim 1

A FOLDING LEG CONSTRUCTION FOR INTRUMENT CASINGS AND THE LIKE COMPRISING, IN COMBINATION: (A) A HOUSING HAVING COPLANAR PERIPHERAL MOUNTING PORTIONS ADAPTED TO BE SECURED TO THE UNDERSIDE OF A CASING, (B) SAID HOUSING HAVING A DOWNWARDLY OFFSET BEARING PORTION LOCATED INWARD OF THE COPLANAR MOUNTING PORTIONS, (C) SAID OFFSET PORTION INCLUDING A FLAT BOTTOM WALL AND DOWNWARDLY EXTENDING SIDE WALLS AT THE PERIPHERY OF THE BOTTOM WALL, (D) A COMBINED BEARING AND BASE PLATE DISPOSED BROADSIDE TO THE HOUSING AND ENGAGED WITH THE MOUNTING PORTIONS THEREOF, SAID PLATE FORMING WITH SAID OFFSET PORTION AN ENCLOSURE, SAID PLATE CLOSING OFF END PORTIONS OF BEARING SLOTS, (E) OPPOSITE PORTIONS OF THE SIDE WALLS AND ADJOINING MOUNTING PORTIONS OF THE HOUSING HAVING A PAIR OF OPEN-ENDED BEARING SLOTS, (F) A SWINGABLE SUPPORT MEMBER HAVING A PAIR OF LEGS AND A YOKE JOINING THE SAME AND HAVING CYLINDRICAL BEARING SURFACES, SAID YOKE BEING DISPOSED IN BOTH THE ENCLOSURE AND THE OPEN-END SLOTS OF THE HOUSING SIDE WALLS, THE BEARING SURFACE OF THE YOKE BEING ENGAGED WITH THE HOUSING WHEREBY THE SUPPORT MAY BE SWUNG BETWEEN A RETRACTED POSITION FOLDED AGAINST THE CASING UNDERSIDE AND AN EXTENDED POSITION EXTENDING DOWNWARD FROM THE UNDERSIDE, (G) SHOE MEANS ON THE FREE ENDS OF THE LEGS OF THE SUPPORT, FOR ENGAGEMENT WITH A TABLE SURFACE, (H) A FLAT ON THE SAID YOKE, (I) A RECIPROCABLE DETENT PLUNGER IN THE HOUSING, ENGAGED WITH SAID FLAT, (J) A BORED BLOCK IN THE HOUSING, SLIDABLY CARRYING THE DETENT PLUNGER, (K) A SPRING ON SAID PLUNGER, SAID SPRING BEING ENGAGED WITH THE BEARING BLOCK AND PLUNGER TO YIELDABLY HOLD THE LATTER ENGAGED WITH THE FLAT OF THE YOKE, (L) SAID FLAT ENABLING THE PLUNGER TO YIELDABLY HOLD THE SUPPORT IN THE SAID EXTENDED POSITION.