Cable haul mechanism
US 503908 A
Description (OCR text may contain errors)
Patented Aug. 22,V 1893.
INEA/102 Zim-nef@ (No Model.)
J. H. HAHN, Jr. CABLE- HAUL MBGHA'NISM.
fNITnD STATES PATENT Ormes.
JOHN H. HAHN, JR., OF SARGENT, MISSOURI, ASSIGNOR OF ONE-FOURTH TO JOSEPH A. JEFFREY, OF COLUMBUS, OHIO.
CABLE HAUL MECHANISIVI SPECIFICATION forming part of Letters Patent No. 503,908, dated August 22, 1893.
Application tiled November 29, 1892. Serial No. 453,518. (No modeL) .To @ZZ whom it may concern: for partially inclosing the cable, and the up- Be it known that I, JOHN H. HAHN, Jr., a per one having upwardly projecting prongs citizen of the United States, residing at Saror fingers adapted to engage with the log. An gent, in the county of Texas and State of Misextensive experience with theseearlierdevices 5 souri, have invented certainl new and useful has shown me that they cannot be relied on, 55
Improvements in Cable Haul Mechanism, of owing to radical defects incident to the prinwhich the following is a specification, referciple upon which they are constructed. When ence being had therein to the accompanying theweight of the log is brought to bear upon drawings. the upper part of the attachment said part is 1o This invention relates to improvements' in forced down toward the lower half, and the 6o mechanism for hauling logs along the guidebolts are more or less slackened; and, as a reways used in saw mills for transporting the sult, the grip `upon the cable is decreased and logs either from the water up to the sawing it slips more or less through the attachments. iioor, or from place to place along the floor. I have obviated the difficulties referred to 15 It has more particular reference to improveby constructing the attachment for the cable 6 5 ments in log conveying .devices in which use with the features herein below described. is made of Wire rope as the main element for Figure lis a side view of a mechanism conpropelling and connecting together the parts taining my improvements. Fig. 2 is a cross which engage with the log. Generally these section on the line carrot Fig. 4. Fig. 3 is an zo hauling devices for logs have been made with end view of the attachment. Fig. 4 is a sec- 7o chains for the propelling and carrying parts, tion enlarged on line 'gjy, Fig. l. the links either being formed with upward In the drawings A represents a wire rope projecting spurs, or having attachments seor cable. T0 this are secured at suitable, and cured thereto provided with spurs. In all substantiallyr equal intervals the attachments 2 5 cases within my knowledge, the attachments which are adapted to engage with the logs. 75 orfastening devices have been passed through One of these attachments is indicated as a the chain, or they and their load have been whole by B. It is so constructed as to have above the chain. These chain log hauls are integral masses of metal extend continuously expensive and liable to rapidly wear out, and from the top to the bottom. It is formed with 3o are incapable of use except over a limited a central or intermediate body part b from Se dS'fmCe. which there extend upwardly prongs, points, One of the purposes of the present invenor lingers h adapted to pierce somewhat or tion is to provide a log haul up of the class engage with the logs; and has downwardly in which use is made of a wire cable instead extending parts at b2 for riding upon the 3 5 of a chain,andin which the attachments and guide-way and for engaging with the driving 85 their fasteners must pass around but not wheels. throughthe cable. Loghauls of thiscableclass By examining the drawings it will be seen can be used to advantage where cheapness is that the metal is integral from the upper ends demanded, and where the logs are to be carof the prongs or points to the lower edges of 4o ried over comparatively long distances, the the parts b2, that is to say, to the bottom sur- 9o cable not requiring the same accuracy of face of the attachment which rests upon the aligning of the guideways and the wheels, guide way, and therefore when a log is rest- &c., that is requisite when chains are eming upon the said prongs or points there will ployed. be no tendency for the distance between these 45 Heretofore these cable loghaul-ups have parts to be lessened. 95 consisted of the wire cable and log engaging At Cthere is a passage way or open slot exattachments secured thereto each of which attending from the front surface through to tachments was made in two halves, an upper the rear surface of the attachment, and by one and the lower one, secured together by means of this the cable can be readily in- 5o bolts, each having a semicylindrical cavity serted or removed. Ioo
' In order to bind the attachments-firmly to the cable I employ one or morev sti'rrupbolts D, the central part of which4 lies beneath the cable, and 'the legs of which pass up through apertures d in the attachment. Above the body partof theattachment there are nuts j E, E, engaging with the threaded endsof the stirrup bolt and by means of them a powerfulclamping action can be had. These nuts and the legs of thebolt lie in such positionv that the log cannot comein contact with themand therefore its downward pressure does not r`act to release the binding Of the attachment to the cable. The advantage of this attachment in comparison with those which are transversely divided into two halves on the plane running through the center of the cable willl be readily understood. The pressure or weight of the log i'sreceived' by metalwhie'hv is solid f-r'olntop'to bottom and thereforethere willl beno liability of the clamp or' attachment tO slip inl relationto the cable. To insure thatthe bolt D andthe nu-ts'E shall not come in contact with the log projections, flanges or wall'sysuch as shown at b3 may be extended upfro'm' the body part b of the attachment', whichwill also act to reinforce' or strengthen the-log engaging prongs or fingers b. The
attachments move along upon abe'am,b0ard,
or other support, or` guide way, at'the time they are under the loadaswill beseenf on examining the drawings.
Thecablecoinveyer is supported' and' guidedl uponwheels4 shown at F and G, which may be of any kind to' driveJ and be driven `by it, I- preferringrnotto claim the wheel in this'a'pplication. The driving wheel is formed with adrum like periphery I,'tlanges H, and proj'ectionsior teeth J to'engage the attachments on thev cable.
Thev above described parts of the wheel' co- 'A act to insu-re that under al1 circumstances the rope or cable shall be guidedk and held' propgt'ions to' the bottom surface which rests on the Aguide way, as set forth, whereby the load can 'besup'ported uponV the attachment and the guideway independently of the cable, and a clamp or fastener'bearingentirely against the Outer surface Of the cable, substantially as described.
2. Al carrier attachment, adapted to bese- ;eured toa cable, and tohav'ethe load arranged centrally and vertically above the cable, and
to' support the said load, independently of the cable, it'extending to lines below the' cable whereby it can ride upon aguide way or floor when supporting a load, and having' aclamp which frictionally engagesV with-the under side of the cable, substantially as setfor-th.
of ameta'llic' block, havinga slot or passage way iny the bottom, for theintroduction of the cable,=longtudinally of the1atter',saidslot or passage being. Of adepth greater thanl the'difa'm'eter of the cable, and a threadedfclamp and nut'securi ngit tothecable," substantially as" described.
In' testimony whereof I aix my signature in presence of two witnesses. i
' JGHN II. HAHN, JR.
EVERETT BEAZLEY, MARION B. WOOD.
3. The-herein described carrier attachment, t "adapted to bev secured to a cable, and' formed