Patent GB-189804379-A (GB)
Title: Improvements in Machines for Justifying and Spacing Type.
Inventor: BOYES JOHN TYRRELL
Filed: 1898-02-22
Granted: 1898-09-24
Abstract: 4379. Boyes, J. T. Feb. 22. Type, setting. - Relates to means for justifying and spacing type. Fig. 3 shows a sectional side elevation, and Fig. 4 a section at right-angles to Fig. 3, of a machine in which the lines of type are placed in holders C into which they may be dropped singly from the chute or guide B of a composing-machine. As the types are received they and the holder are fed along the guide D' by a cam, and at each space between words the nose of a tapering wedgeshaped space-bar C' (shown separately in Fig. 8) is inserted between the types. These space-bars C' are preferably mounted to slide in guide-blocks c' strung on a guide-bar c<6>, c<11> on the line holder C. The space bars are pushed by an arm F up to a space-inserting rod f, which is operated by a space key F<1> to release and insert a space. When the line holder is filled, it is moved along the guide D' by means of a slide moving on a guide-rib k<1> and connected by a chain to a spring drum. The wedge-shaped space-bars are all driven in, to space out the line to the limit fixed by the line holder, by a bar g mounted on a slide g<1> operated by a chain or cord h connected to a treadle which is depressed when the line is filled. The thin ends of the space-bars project through a slot, in the vertical frame plate D, and as the line holder is drawn forward the first space engages the end of the slot and brings the line and holder to rest. As the space-bar approaches the place of rest, it also engages a lever N which moves the sliding bearing of the end of the driving-shaft S to put the wheel S' thereon into gear with the wheel S' on the shaft S<4> which operates the justifying-mechanism. The bearing of the shaft S is normally held by springs t, t<1> so that it is between and out of gear with the wheels S', S<3>, and, when moved to gear with either, the shaft S<4> or S<5> of that wheel is caused to make a complete revolution before the bearing is moved back by the springs. Sliding transversely across the line holder is a space holder L having compartments centaining spaces of thicknesses corresponding to the thickness of the wedge C<1> at the different parts such as i<2>, i<3>, i<4>, &c. The space holder is attached to a sliding bar M operated by a crank M<1> on the shaft S<4>. When the crank M<1> permits, the bar M is moved by a spring S<3> so that the space holder L is moved across the line holder, until it is stopped by one of a series of pivoted stops m<1>, m', m<3>, &c. These stops normally project into the path of the space holder, and one or more of them is tilted, by the projecting end of the space bar C', according to the distance such space-bar projects. The compartment of the holder L containing the required thickness of space is thus stopped over the space-bar in the line. A trap door is opened by a cam &c. to permit the space to drop on to the space-bar C<1>, and the latter is then withdrawn, and the space is pushed down into the line in its place by a pusher P carried by a vertical slide p operated by a crank arm P' on the shaft S<4>. The space-bar C<1> is withdrawn by a slide C', the forked end of which engages the shouldered projection c<5> on the space-bar. The slide C' is operated by a cam C<3> and a spring S<4>. During these operations the line holder C is held at rest by the sharp end or nose of a sliding brake rod 0 operated by a spring s<5> and an arm O<1> engaged by a part of the slide M. These operations are repeated as each space-bar in the line comes into operative position, and after each insertion of a space the remainder of the space-bars C' in the line are pushed through the line as far as they will go by a bar G operated by a cam and spring. The compartments of the space holder L each contain only one space, and when the holder is in normal position the compartments are under a set of supply channels J. A new space is supplied to the compartment from which one has been removed by the justifying-mechanism, as follows:-On the space holder are posts Q<6> having sliding sleeves q<6> connected by rods v<6> to the releasing-mechanism of the channels J. The sleeves q<6> are operated by the pusher P to release a space from the channel J corresponding to the one removed, and the released space is held by a door J<1> until the holder L returns, when the door J<1> is swung and the space allowed to drop into its compartment. After the insertion of the last space, the release of the line holder by the brake rod 0 will allow it to move on along the track D<1> to the galley, into which the line of types is pushed by a pusher on a slide operated by an eccentric R<4> on the shaft S<5>. This shaft is started by the line holder engaging a lever I connected to the sliding bearing of the shaft S. The side of the line holder facing the mouth of the galley is open, and the pusher passes through the slot c in the other side. When released by the type-line pusher, the empty holder drops down on to a lower track D<2> (as shown on the right in Fig. 3), and is returned to the left along this track to its initial position. The line holder is lifted from the lower track D<2> to the upper track D<1> by a movable section D<3>. The return of the holder C and of the slide for moving it forward, and the operation of the section D<3>, are effected by mechanism operated by the treadle. Instead of a treadle, a cam shaft may be used for this purpose.