. Railway mechanical engineer . rder; also a minimum weight consistent with strength and rigidity. Theseat may be automatically locked when in either extreme posi-tion and is stated to reverse easily, no lubrication being re-quired. The swiveling feature makes it necessary to provideonly one foot rest. A view of the Smolar car seat, disassembled, is shownin Fig. 2. A and B are the seat and back cushions re-spectively. The main seat support consists of a steel cast-ing or pressed steel frame work supported upon and guidedby the frusto-conical pedestal D. Each arm rest E isdivided horizontally,
. Railway mechanical engineer . rder; also a minimum weight consistent with strength and rigidity. Theseat may be automatically locked when in either extreme posi-tion and is stated to reverse easily, no lubrication being re-quired. The swiveling feature makes it necessary to provideonly one foot rest. A view of the Smolar car seat, disassembled, is shownin Fig. 2. A and B are the seat and back cushions re-spectively. The main seat support consists of a steel cast-ing or pressed steel frame work supported upon and guidedby the frusto-conical pedestal D. Each arm rest E isdivided horizontally, the lower section having a deep longi-tudinal recess, containing the anchor piece, spring, slide pieceG and guide. Tension of both arm rest springs through theconnections shown holds the back cushion in its normal up-right position. The top section F is provided to cover therecess and parts enclosed in the arm rest. The foot rest H is secured by means of two hinges to themain seat frame. A dog is provided which engages the slot. Fig. 2—View of Car Seat Parts Disassembled in the pedestal and holds the seat firmly in either of itsextreme positions. A small spring holds the dog in en-gagement with the slot and foot pressure on a small pedalcasting fastened to the foot rest releases the dog and allowsthe seat to be swiveled. Owing to the fact that the back does not need to be pulledover, cushions for the new car seat can be made to practicallyany desired height, width or shape to provide the greatestcomfort for the passengers. 125 126 RAILWAY MECHANICAL ENGINEER Vol. 95, No. 2 Heavy Duty Motor Driven Face Grinder A MOTOR DRIVEN face grinding machine intendedfor heavy duty has been developed recently by theBridgeport Safety Emery Wheel Company, Bridge-port, Conn. The new machine is arranged to be driven by analternating current or direct current, 40-hp. motor, operatingat a speed of 1150 r. p. m. For driving the lead screw andtraveling head, a 7^2-hp. motor running at the same spe
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