GB190907485A - Improvements in Turnstiles. - Google Patents

Abstract

7485. Stevens, L. B. March 29. Turnstiles adapted to register in one or both directions are provided with means to ensure a full movement in one direction before a reverse movement can be made. The shaft b of the turnstile carries a toothed wheel j, engaging with a pinion k, which is provided with a serrated part k<1> and is carried on a shaft mounted in slotted plates l, l<1>. Mounted on a pin f are two sleeves g, h, the former provided with serrated arms g<1>, g<2> and a spring-controlled central arm g<3> carrying a roller g<4> adapted to engage with a disk m, grooved at m<1>, as shown in Fig. 1, and carried by the shaft b. The sleeve h is provided with adjustable tappets h<1>, h<2>, adapted to operate counters e<1>, e, and with a central projection h<3> slotted at h<4> and provided with a friction roller h<5>. Also mounted on the shaft b is a disk n formed with projections n<1> to engage the roller h<5> and connected to the disk m by a pin-and-slot o, o<1>. The rotation of the shaft b causes the wheel to rotate the pinion k and to move it and the disk k<1> laterally in the slotted bearings. At the same time, the disk m rocks the sleeve g and the arms g<1>, g<2> so that backward movement of the shaft b causes the serrated disk k<1> to engage with one of the parts gl, g<2>. The counters are operated by the projections n<1> rocking the sleeve h and the tappets h<1>, h<2>.