Patent GB-190628683-A (GB)
Title: Improvements in Linotype Machines.
Inventor: LOCK WILLIAM HENRY
Filed: 1906-12-15
Granted: 1907-11-28
Abstract: 28,683. Lock, W. H., [Toronto Type. Foundry Co.]. Dec. 15. Linotype machines.-Relates to details of the assembling, space-carrier, trimming, and galley mechanisms in linotype machines of the kind described in Specifications No. 16,011, A.D. 1903, aid No. 1424B, A.D. 1905. (1) Means is provided for retracting the line resistant e<6> into the assembler after delivery, and consists of a device such as a spring arranged between a fixed point on the piston-rod e<10> and the end of the dash-pot e<11>. The spring is adjustable for different lengths of line, by providing an adjustable abutment in the form of a bushing secured in the end of the dash-pot by a set-screw. A line gauge is provided in the form of a finger e<61>, adjustable over a scale on the lower edge of a slot in the front of the assembler. The alarm e<70> is actuated by a hammer e<71> pendent from a cam e<72> engaged by a pawl e<73> on the assembler slide e<7>. The length of the line is positively limited by providing in the assembler a stop-pin e<80> tending to drop but normally held up by a track e<81> in position to arrest the slide e<7>. The point of engagement between the levers e<37>, e<38> for effecting release of the slide e<7> from the transferring-bar e<16> is made adjustable according to the length of line, e.g: by providing a rider e<45> adjustable on the lever e<37>. In order to prevent pieing of the line during rotation of the assembler, the retaining- pawls e<12>, Fig. 9, are supplemented by a pin e<90> projected against the action of a spring by a cam e<91>. (2) The space carrier V, Fig. 1, is locked against rotation while being raised and lowered, by providing a spring-projected pin v<21>, Fig. 4, on the crank v<1> for engagement in a recess 3 in the crank v. When the carrier is raised, the cranks v, v<1> are unlocked by the co-operation of a lug v<25> on the crank v with a cam v<23> pivoted on the framing A. When the cranks return, the lug v<25> strikes against an adjustable set-acrew v<24> on the framing A and stops the crank v at the moment the crank v<1> overtakes it, so that the pin v<21> locks the cranks together preparatory to the lowering of the carrier. In order to prevent jamming oE the cranks at the commencement of the turning movement, a spring v<22> is connected with the wrist-pins 4, 6 so that it tends to separate the cranks, and there may be a loose connexion between the crank v and the carrier. In order to reduce friction between the lever v<6> and the shaft v<3> for raising and lowering the carrier, the shaft v<3> rests on a ball v<28> in a step bearing v<27> connected by links 9 to the lever v<6>. (3) The trimming-knives M, Fig. 15, are adjusted by set-screws m<4> on a detachable plate m, fitting in a recess in the framing A and secured by screws m<1>. Abutment screws m<2>, m<3> are provided on the framing A or on the knives. (4) The galley pusher R, Fig. 1, consists of a bell-crank lever r carrying a friction roller 11 for actuation by a cam 12 on the rack v<11> for turning the shaft v<3>. The weight of the roller 11 and its arm is sufficient to return the pusher.