Patent GB-190207090-A (GB)
Title: Improvements relating to Mechanism for Recording the Time at which Employees Enter or Leave a Factory or for similar Purposes.
Inventor: DEY ROBERT
Filed: 1902-03-22
Granted: 1902-12-18
Abstract: 7090. Dey, R. March 22. Time-checking apparatus for workmen. In the arrangement shown in Fig. 1, the recording-sheet 23 is wound on a drum mounted on a spindle 24, and the printing-mechanism is carried by a frame 11, 12 movable along guide-rods 25, 26 by a spring at definite periods regulated by clockwork and escapement mechanism. When an employee enters or leaves the factory or the like, he turns the recording drum by means of a lever 31 until a pin 31<1> of the lever registers with a particular hole 22 in a disc 21, and thus brings the requisite portion of the drum under printing wheels 2, 3 which indicate the minutes and hours, and are driven by the minute-hand spindle 1 of clock mechanism B. On forcing the lever 31 inwards, the printing wheels are depressed by means of a sliding pin 39, sleeve 40, levers 41, 43, and a pivoted rocking frame 33 which fits in notches of the frame 11, 12. A ribbon 5 below the printing wheels is wound on rolls 6, and may be moved automatically by the printing mechanism. The spindle 1 is connected by a spring 16 to a square spindle 15 on which slides a square tube 14 carrying the minute-wheel 2 and a ratchet-wheel 7. A detent 8 carried by a spring bar 9 engages with the ratchet-wheel during the printing movement, and springs 28, 37 raise the printing wheels out of action when the lever 31 is withdrawn. The upper ends of the side plates 11, 12 are slotted to engage with a recessed sleeve 27 on the rod 26. The printing apparatus is moved over the drum by a spring on a spindle 52 acting through an endless chain or band 47, or equivalent winding mechanism. A guide pulley 48 for the band is supported by a spring bracket 49. Fig. 3 shows crown-wheel escapement apparatus for controlling the rotation of the spindle 52. A crown-wheel 67, mounted loosely on a spindle 55, engages with a pair of slotted discs 60, which are driven by the large wheel 56 of the clock mechanism, and release the teeth of the crown-wheel one at a time at definite periods of the day. A pointer at the end of the spindle 58 moves over a dial and indicates the time of the day. A second pointer driven by bevel gearing from the shaft 55 moves over a dial indicating the days of the week, and the periods of entrance and exit of the employees. A bevelwheel at the upper end of the shaft 55 gears with a bevel-wheel on the shaft 52, and the crownwheel is connected to its shaft by a pin 68 projecting from a collar 69. When it is desired to re-set the printing mechanism, the crown-wheel is pushed down out of action against the force of a spring 70. To facilitate adjustment, the sleeve carrying the discs 60 is connected to the spindle 58 by a pin engaging with a slotted bush. The slots in the discs are staggered or arranged so that they do not come opposite to one another. If only a few printing columns are required, the frame 11, 12 may be operated by a crank and rod. As a modification, the record drum may be moved automatically with relation to stationary printing- apparatus.