Patent GB-401405-A (GB)
Title: Improvements in or relating to signalling devices for use on automobile vehicles
IPC: B60Q1/34
Filed: 1932-06-15
Abstract: 401,405. Road - traffic signals on vehicles. BIRENBERG, H. and DANGLOW, M., 28, Victoria Street, London. June 15, 1932, Nos. 16976 and 33267. [Class 118 (ii).] A manµuvre-signalling device resembling a human hand is carried by a shaft 6, Fig. 3, which is rotatable about its own axis and is carried by a hollow shaft 17 at right angles to the first and rotatable on its axis within a stationary tubular bearing member 24 fixed to the vehicle whereby the signal hand may be oscillated in a vertical plane about a horizontal axis to give a slow-down signal or in a horizontal plane about a vertical axis to give a come-on signal or may be held stationary in the appropriate position to indicate left or right turn, straight on, or stop. An electric switch arrangement may be associated with the mechanism operating the hand, which may be translucent, whereby the latter is internally illuminated at all times except when in neutral position, a flashing light signal being given during the oscillation of the hand in a vertical plane. A manual switch in the circuit may be provided to put the lamp entirely out of action when desired. The ends of Bowden wires 11, 12 are anchored to the periphery of a drum 10 on the shaft 6 and to the periphery of a drum 86, Fig. 8, rotatably and tiltably mounted in a recess 85 in a bracket 82 secured to the dashboard or steering-column, the casings 13, 14 of the wires abutting against the bracket 82 at one end and a spider 21, Fig. 3, at the other end. The spider is integral with the boss 15 of the enlarged head 7 of the tubular shaft 17 in which the shaft 6 is rotatably mounted and the shaft 17 is provided with a flange 26 to the periphery of which another Bowden wire 27 is secured. The other end of this wire is secured to a rod 93, Fig. 8, slidably mounted in a tubular lug 92 on the underside of the disc 85, the outer casing 28 of the wire abutting against the drum 86 and the tubular bearing member 24, Fig. 3. The rod 93 is provided with a key 94, Fig. 8, engaging an axial groove 95 in the tube 92 and is provided with an operating handle at its free end. By oscillating the rod 93 the shaft 6 is oscillated, to give the slow-down signal, this shaft remaining horizontal, When the rod is moved axially the movement is transmitted by the cable 27 to rotate the hollow shaft 17 against a spring 29. This movement causes the shaft 6 to become vertical in which position it may be held (with the hand, pointing to the right, straight ahead or to the left) by the engagement of the key 94 in a transverse enlargement of the groove 95, or the shaft 6 may be oscillated on a vertical axis to give the come-on signal by oscillating the rod 93 in its retracted position. The tubular bearing member 24, Fig. 3, is provided with a removable cap 30 having helical projections 31 engaging corresponding grooves in the member 24 so that the positioning of the cap tensions the spring 29 of which one end is secured to the cap and the other to the shaft 17. A plunger 111, Fig. 8, in the circuit of the lamp illuminating the hand is depressed to break the circuit by a cam 123 on the rod 93. This cam clears the plunger, permitting the spring contacts controlled thereby to close, when the rod is oscillated or moved axially. Oscillation of the rod 93 in its inner position corresponding to the oscillation of the shaft 6 on a horizontal axis results in the circuit being intermittently made and broken. Specifications 375,944 and 376,564 are referred to.