Page:Patent for an Indicating device US1298871.pdf/5

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1,298,871

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ratchet teeth fixed to the shaft, a pawl 50 with one of said indicating symbols, and of normally engaged with said ratchet teeth, a

means for moving said member to selectively position any one of said openings in aline

collar secured to the shaft and rotatable

ment with the stationary lamp and simulta therewith, a loose collar rotatable and slid neously display the corresponding indicat able on said shaft, co-acting clutch teeth on 55 said collars, means engageable with the loose ing symbol. 5. A device of the class described com collar to rotate the same and the shaft in one when said clutch teeth are inter prising a supporting base, a shaft, a symbol direction locked, said pawl riding over said ratchet carrying member connected with said shaft, O a collar secured to the shaft and movable teeth when said shaft is moved in this direc therewith, a loose collar rotatable and slid tion, a lug on said loose collar, means for 60 able on said shaft, co-acting clutch teeth on rotating said loose collar in the reverse di said collars, means engageable with the loose rection to engage said lug with said pawl to collar to rotate the same on the shaft when move the same out of engagement with said 5 said clutch teeth are disengaged and to re ratchet teeth, and means for rotating the volve the shaft in one direction when the shaft to return it to its normal position when 65 said pawl is out of engagement with said teeth are interlocked, said symbol carrying ratchet teeth. member being movable by rotation of the shaft to selectively display the symbols 8. A device of the class described compris 20 thereon, means to automatically disengage ing a supporting base, a shaft journally car said clutch teeth when the shaft has been ried by said base, a symbol carrying member 70 revolved a predetermined distance in one di connected with said shaft, a series of ratchet rection, and means to return the shaft to its teeth fixed to the shaft, a pawl normally en gaged with said ratchet teeth, a collar se normal position. 6. A device of the class described com cured to the shaft and rotatable therewith, 25 prising a supporting base, a shaft, a symbol a loose collar rotatable and slidable on said 75 carrying member connected with said shaft, shaft, co-acting clutch teeth on said collars, a collar secured to the shaft and movable means engageable with the loose collar to therewith, a loose collar rotatable and slid rotate the same and the shaft in one direc 30 able on said shaft, co-acting clutch teeth on tion when said clutch teeth are interlocked, said collars, means engageable with the loose said pawl riding over said ratchet teeth collar to rotate the same on the shaft when when said shaft is moved in this direction, a lug on said loose collar, means for rotating said clutch teeth are disengaged and to re said loose collar in the reverse direction to volve the shaft in one direction when the engage said lug with said pawl to move the 35 teeth are interlocked, said symbol carrying member being movable by rotation of the same out of engagement with said ratchet 85 shaft to selectively display the symbols teeth, means for rotating the shaft to return thereon, a cam finger fixed to the base, a it to its normal position when said pawlis out cam face on the loose collar, said cam face of engagement with said ratchet teeth, and 40 being engageable with the finger when the means to automatically disengage said lug shaft has been rotated a predetermined dis from said pawl when said loose collar has 90 rotated a predetermined distance in tance in one direction whereby to automati been direction. cally disengage said clutch teeth, and means saidIn reverse testimony that I claim the foregoing I to return said shaft to its normal position 45 upon the disengagement of said clutch teeth. have hereunto set my hand at Milwaukee, in 7. A device of the class described com the county of Milwaukee and State of Wis 95 prising a supporting base, a shaft journally consin. carried by said base, a symbol carrying BORNETT L. BOBROFF. member connected with said shaft, a series

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