US1816193A - Turnstile - Google Patents

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US1816193A
US1816193A US327551A US32755128A US1816193A US 1816193 A US1816193 A US 1816193A US 327551 A US327551 A US 327551A US 32755128 A US32755128 A US 32755128A US 1816193 A US1816193 A US 1816193A
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arms
turnstile
head
movement
post
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US327551A
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Odell Herbert Barcroft
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B11/00Means for allowing passage through fences, barriers or the like, e.g. stiles
    • E06B11/08Turnstiles; Gates for control of entry or exit of persons, e.g. in supermarkets

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  • My invention relatesto improvements in turnstiles, and oneob ect of my lnvent'ron 1s to provide a turnstile which, while it may be usedinthe ordinary way to control trafllc through, a given passage, and also to record the volume oftraffic, if desired, passing therethrough, may be ZtdJ-LlStGCl' so as to oiler the minimum of resistance to streams of traiiic down each side thereof without requiring'the operation of the turnstile, in contrast totheimpedance of traiiic by turnstiles as now manufactured, in that the common type of turnstile must rotate at all times when traffic passes through the passage in 1 which theturnstile is located, andthe result is that traffic cannot pass down each side of this standardtype 10f turnstile injthe same direction, asis possible with thesubject-mat tnthepresent application; therefore by 1 means of thejsaidjinvention any given body.
  • Another object of my invention is to provide means to permit certain of the arms ot the turnstile to bemoved independent of the recording action of the turnstile to lie in a position substantially parallel to the passage in which the turnstile is located, in
  • a still further object of the invention is to provide means to prevent the backward turning of the turnstile and thusavoid deranging the indicator when same is used with this gtur-nstile;
  • a still further object of my invention in its most specific embodiment is to pivota'lly mount the arms of the turnstilein ahead rotatably carried by a base or column, and to provide means to permit opposingpairs of arms" to be moved independently otthe other pair of arms, while at the same'time this other pair of arms are locked in position, and in the following specification and the drawings forming part thereof, I shall describe and illustrate one embodiment within my invention, and whatlf claim as new will be set. forth in the claims. forming part of this specification. 1
  • Fig. 1 is an elevation. of a turnstile embodying my invention, showing the. parts thereof in position to control the passage'of traflic
  • Fig.2 is a plan of my turnstile showing certain of the" arms moved I in parallel relationship to the fixed arms to permit traffic topa'ss in the same or opposite directions down each side'of the turnstile
  • Fig. 3 is a vertical central section on the 1ine8-3, Fig.'1, on an enlarged scale.
  • Fig. 4 is in part,a vertical central" section through 1 the head of the turnstile, showing the positions of the upper and lower locking sleeves when it is desired to move'the' pairs of arms lying substantially at right angles to the direction of trafiic through a passage so that they may occupy the positions shown in Fig. 2.
  • Fig. 7 is a horizontal cross section on the line 7,7, Fig. 4.
  • Fig. 8' is a horizontal cross section on the line 8-8,' Fig. 3.
  • Fig. 9 is a plan of the upper locking sleeve, and Fig.10isa planof the underside of a lower head block.
  • any suitablemeans such as a pin 5 may be passed through the lower bridge piece and 1ntothe post 3 to removably hold it in position;
  • the head of the turnstile is composed-of the following, elements: 6 is a centrallyapertured upper head block, and 71. is acentrally-apertured lower head block. As shown in Fig. 3 these head blocks are mounted on the post 3, and are coupled together in spaced relation by a sleeve 8. The ends of this sleeve are. secured to the re.- pokerd inner portions of the saidblocksby anyv suitable means, such as screws 7 9 (Fig.4). v a
  • the said head blocks are very similar in construction, and each is provided with pairs of aligned holes which lie parallel to the longitudinal axis of the turnstile, and are located substantially at 90 apart.
  • said holes in the upper head block 6 are in. alignment with the said holes" in the lower head block 7 and positioned in these holes are rods 10.
  • the lowerends or" the rods 10 are supported in the bottom of the holes receiving same asshown in, Fig.
  • the said head blocks are provided with spaced lugs 11 through which the said pairs of holes in the said head blocks pass and in which the rods .10 are located, and posi-,
  • each pair of lugs 11 tioned between each pair of lugs 11 are the inner ends 12 of the horizontal members .13 ot-the arms'of the turnstile.
  • the upper and lower surfaces of these inner ends 12 are substantially parallel, and they operate, in contact with their respective sides ofthe said lugs.- As shown clearly in Figs. 3 and 6, the rodsv 10 pass through the said inner ends "12 thereby pivoting the arms of the turnstile to salthlleilld;
  • a plate centrally apertured through which the post3 passes, andthis plate is supported by the base or column 2 and is constructed to interfit therewith in any suitable manner so as to be stationary.
  • the preferred construction to hold the plate 14 in fixed relation to the base or column 2 is the provision of dependent lugs 15 which are received by correspondingly-shaped slots 16 formedin theupper end of the b'aseor column 2..
  • the plate 14 is made separate to the base or column 2 though it is within the scope of my invention to form Figs.v 3 and 4.
  • this plate 14 integrally with said base or column.
  • Hand 18 are upper and lower locking sleeves substantially identical in construc tion, though one is larger than the other.
  • Each locking sleeve embraces an inwardlyextending tubular member 19; a horizontal flange 20, and a vertical flange 21.
  • Each vertical flange is provided with openings 22 whichopenings are located to be in alignment with the horizontal members 13 of the arms.
  • Each locking sleeve' is also provided with a plurality of pierced lugs 23 through which the rods 10 pass, as shown clearly in
  • the tubular member 19 of each locking sleeve is exteriorly threaded to receive an internally-threaded adjusting sleeve 24 (Figs '3. and 4).
  • This adjusting sleeve 24 while free to-be turned around the vertical axis of thesaidhead is fixed against movementvertically by any suitable means.
  • the preferred means embraces centrally-apertured pla'te 25 which surrounds the sleeve 8 and is keyed thereto'by any suitable means such asa screw 26.
  • his plate 25 is also provided with a plurality ofholesto permit the rods'lO to pass therethrough, and in its perimeter is formed a groove 27 in which is located a ring 28 made of two segments so as to be placed in position.
  • Each segment of this ring is suitably securedto the'adjusting sleeve 24 by means of screws 29, and of course'is located on the inner side of said sleeve'and substantially midway the:
  • This flanged plate forms part of a register, but as the same does not to in part of myiinvention, I do not find it necessary to further illustrate it.
  • This register is provided with a register;
  • plate 14 is located within the fiang'ecl' plate 1'4 and it isrp'rovided with studs 38 located substantially at 180 apart, and on each of these studs'is mounted a pawl 391 tjailj 40 of reach pawl normally rests" inslots-41'; formed in opposite" sides of the a boss 42'whieh forms part ofthe'lower head block 7 andfprojects below the, 'same;fAs".
  • Embraced in the s'aid headofi'the turn-- stile are four pins located suhstantiallyj pin is mounted ina .pocl tet 46formed in the central portion of the"'loWer head block and the axis of each of these pockets is in alignment with the longitudinal axis of the lower horizontal members 13 of each" arm of the turnstil e; These pocliets open into the annular space separating the lugs 11' of said lower headblock.
  • The-locking means I illustrate is 1 Well-known, and embraces a lbcking' arm' 50 Which is suitably pivoted Within the base or column 2'; The upper end of this locking" arm normaliyoperates'in' a slot 51 which is fornie'd in" projection forming part of the plate 14; In this positionthe locking arm is obviously in the path of movement of the lowermost horizontal member of one of the arms; anclfordinarily this horizontal memher would come in contact with this locking aria, By reason of the pivotal mountingr l o fthe armsfof my turnstile, Ifind it.
  • This means comprises four lugs- 52 which are substantially at 9Q apart, and they project beyond the mainhody of said lower head blocl; as shown clearly in- Fig. 10, and are located underneath the normal positions oi" rest of the lower horizontal members.
  • Thelocking arm 50 is coupled by a rod 53 tothe foot trip 54, and by means of the spring, couple'cl at its upper end in any suitable Way to the hase'or coliimn 2', and at its lower'end to'the foot trip 54!, the lock ingarm' 50 is automatically returned to noriso 7 requirements mal position when pressure againstsaid foot trip 1s removed.
  • a turnstile comprising a stationary .vertical support; a vertical head revolvably carried thereby; twoopposing pairs of horizontalarms; vertical means lying sub stantially parallel to said support and carried by said head and on which the inner ends ofsaid arms are pivoted, said pairs of arms being mounted soas to be given a common rotary movementwith said head around said support; means to lock said head and arms against said rotary move ment, and means interiorily carried byvsaidhead and functioning directly in conjunction with said stationary support to release one pair only of said arms in opposing position so that they may be swung horizontally on their vertical pivotal means while said head is locked against rotation to place them,
  • a turnstile comprising a stationary vertical. tubular support; a post fixedly centrally mounted within said support and projecting" thereabove; a rotary, head embracing upper and lower'head 'blocks through which said post passes; vertically apertured horizontally-disposedlugs carried by said head blocks, located respectively substantially at an angle of 90 to one another and in the same horizontal plane;
  • a turnstile comprising a stationary vertical support; a post fixedly centrally mounted therein and'projecting there

Description

July 28, 1931.
H. a. ODELL TURNSTILE :Filed Dec. 21. 1928 3' Sheets-Sheet 1 INVENT )V-BII a July 28, 1931. H. 5.00am. 1 5,1
" ,TU'RNSTILE' mean-ac, 21. 1938, 3 Shoots-Sheet 2 K [471/- av/(196M,
y 19-31- H. B. 0051.1. 1,816,193
TURNSTILE Filed Dec. 21. 1928 3 Sheets-Sheet 3 [NVENT 1 Patented July 28, 1931 I HERBERT BARcRorronnnnydr TORONTO, oNTARIo; CANAD Application filedpecember 21, 1928. Serial no. 327,551. r
My invention relatesto improvements in turnstiles, and oneob ect of my lnvent'ron 1s to provide a turnstile which, while it may be usedinthe ordinary way to control trafllc through, a given passage, and also to record the volume oftraffic, if desired, passing therethrough, may be ZtdJ-LlStGCl' so as to oiler the minimum of resistance to streams of traiiic down each side thereof without requiring'the operation of the turnstile, in contrast totheimpedance of traiiic by turnstiles as now manufactured, in that the common type of turnstile must rotate at all times when traffic passes through the passage in 1 which theturnstile is located, andthe result is that traffic cannot pass down each side of this standardtype 10f turnstile injthe same direction, asis possible with thesubject-mat tnthepresent application; therefore by 1 means of thejsaidjinvention any given body.
of people. can pass down each side of this tnrnstile ina common d1rect1on,-'tor example,
and so vacate anygiven building or area at much less time than is possible with theold style of turnstile. The foregoing feature is a1 veryimportant one, also in the caseof fire. Another object of my invention is to provide means to permit certain of the arms ot the turnstile to bemoved independent of the recording action of the turnstile to lie in a position substantially parallel to the passage in which the turnstile is located, in
broughtto rest by the operator, thus avoiding breakage. A still further object of the invention is to provide means to prevent the backward turning of the turnstile and thusavoid deranging the indicator when same is used with this gtur-nstile; A still further object of my invention in its most specific embodiment is to pivota'lly mount the arms of the turnstilein ahead rotatably carried by a base or column, and to provide means to permit opposingpairs of arms" to be moved independently otthe other pair of arms, while at the same'time this other pair of arms are locked in position, and in the following specification and the drawings forming part thereof, I shall describe and illustrate one embodiment within my invention, and whatlf claim as new will be set. forth in the claims. forming part of this specification. 1
Fig. 1 is an elevation. of a turnstile embodying my invention, showing the. parts thereof in position to control the passage'of traflic, and Fig.2 is a plan of my turnstile showing certain of the" arms moved I in parallel relationship to the fixed arms to permit traffic topa'ss in the same or opposite directions down each side'of the turnstile. Fig. 3 is a vertical central section on the 1ine8-3, Fig.'1, on an enlarged scale. Fig.
4 is in part,a vertical central" section through 1 the head of the turnstile, showing the positions of the upper and lower locking sleeves when it is desired to move'the' pairs of arms lying substantially at right angles to the direction of trafiic through a passage so that they may occupy the positions shown in Fig. 2. Figs. 5 and Gare horizontal cross sections on the lines 55, and 6-6, respectively, Fig. 3. Fig. 7 is a horizontal cross section on the line 7,7, Fig. 4. Fig. 8' is a horizontal cross section on the line 8-8,' Fig. 3. Fig. 9is a plan of the upper locking sleeve, and Fig.10isa planof the underside of a lower head block.
In the drawings, like characters of reference refer to the same parts.
In common with other types of turnstiles, I use a tubular base or column 2 which maybe secured in place after any suitable man ner. Located axially within the base or column 2 is a post 3 which extends above sald base or column. This post 3 i s centrally 2. The said bridge pieces are centrally bored axially with the base or column 2' to;
receivethepost 3, and any suitablemeans such as a pin 5 may be passed through the lower bridge piece and 1ntothe post 3 to removably hold it in position;
The head of the turnstile is composed-of the following, elements: 6 is a centrallyapertured upper head block, and 71. is acentrally-apertured lower head block. As shown in Fig. 3 these head blocks are mounted on the post 3, and are coupled together in spaced relation by a sleeve 8. The ends of this sleeve are. secured to the re.- duced inner portions of the saidblocksby anyv suitable means, such as screws 7 9 (Fig.4). v a
The said head blocks are very similar in construction, and each is provided with pairs of aligned holes which lie parallel to the longitudinal axis of the turnstile, and are located substantially at 90 apart. Obviously said holes in the upper head block 6 are in. alignment with the said holes" in the lower head block 7 and positioned in these holes are rods 10. The lowerends or" the rods 10 are supported in the bottom of the holes receiving same asshown in, Fig.
The said head blocks are provided with spaced lugs 11 through which the said pairs of holes in the said head blocks pass and in which the rods .10 are located, and posi-,
tioned between each pair of lugs 11 are the inner ends 12 of the horizontal members .13 ot-the arms'of the turnstile. The upper and lower surfaces of these inner ends 12 are substantially parallel, and they operate, in contact with their respective sides ofthe said lugs.- As shown clearly in Figs. 3 and 6, the rodsv 10 pass through the said inner ends "12 thereby pivoting the arms of the turnstile to salthlleilld;
It will be, understood that'the space separating thesaid lugs llforms an annular channel in each of the said head blocks of suflicient size to permit freedom of movement of said arms. a plate centrally apertured through which the post3 passes, andthis plate is supported by the base or column 2 and is constructed to interfit therewith in any suitable manner so as to be stationary. The preferred construction to hold the plate 14 in fixed relation to the base or column 2 is the provision of dependent lugs 15 which are received by correspondingly-shaped slots 16 formedin theupper end of the b'aseor column 2.. For ease of assembly,the plate 14 is made separate to the base or column 2 though it is within the scope of my invention to form Figs.v 3 and 4.
this plate 14 integrally with said base or column. s
Hand 18 are upper and lower locking sleeves substantially identical in construc tion, though one is larger than the other. Each locking sleeve embraces an inwardlyextending tubular member 19; a horizontal flange 20, and a vertical flange 21. Each vertical flange is provided with openings 22 whichopenings are located to be in alignment with the horizontal members 13 of the arms. .Each locking sleeve'is also provided with a plurality of pierced lugs 23 through which the rods 10 pass, as shown clearly in The tubular member 19 of each locking sleeve is exteriorly threaded to receive an internally-threaded adjusting sleeve 24 (Figs '3. and 4). This adjusting sleeve 24 while free to-be turned around the vertical axis of thesaidhead is fixed against movementvertically by any suitable means. The preferred means embraces centrally-apertured pla'te 25 which surrounds the sleeve 8 and is keyed thereto'by any suitable means such asa screw 26. his plate 25 is also provided with a plurality ofholesto permit the rods'lO to pass therethrough, and in its perimeter is formed a groove 27 in which is located a ring 28 made of two segments so as to be placed in position. Each segment of this ring is suitably securedto the'adjusting sleeve 24 by means of screws 29, and of course'is located on the inner side of said sleeve'and substantially midway the:
height thereof. By turning the sleeve 24 the upper andlower locking sleeves 17 t and 18 are moved towards each other out of engagement with and above respectively, the horizontal 'members 13(Fig. 4) thus permitting of the movement of certain'pa'irs of arm'sof the said turnstile into the position shown in Fig. 2, forthe purpose already mentioned. By reversing the movement of the said adjusting sleeve, the said to normal locking sleeves are moved back of course position: this. return movement cannot be given these sleeves until the arms of the turnstile occupy the positions shown in Fig.1. V
30 is a cap plate which is keyed to the upper end of the post 3 by means of a pin of the upper head block 6' to which it is secured by any suitable means such as the screws 33. This flanged plate forms part of a register, but as the same does not to in part of myiinvention, I do not find it necessary to further illustrate it. Various types of registersfor the purpose in question are in use. This register is provided with a register;
cover 34' suitablyseeurecl in; lace to thecap plate" 30, and this cover has a slot' to! per m'it the register to be" seen. As befOre-Inen tio'ned,,I do not confine myself to usinga Suitable clutch meansg of course must he p of the turnstile backwards, as when I areg1ster: is'u' ed' this backward movementwould interfere With the correctrejcording of trai' The type of clutch 1 illustrate for this purpose is well-known; and? it embraces the plate 14' v'vhich is, providedfvvith a'fiange 36 "which is provided on:v its inner side' with a ratchet 3 7. plate 14 is located within the fiang'ecl' plate 1'4 and it isrp'rovided with studs 38 located substantially at 180 apart, and on each of these studs'is mounted a pawl 391 tjailj 40 of reach pawl normally rests" inslots-41'; formed in opposite" sides of the a boss 42'whieh forms part ofthe'lower head block 7 andfprojects below the, 'same;fAs". sh-own clearlyiin '3 and 51the post 3 passes 'll'lll'Ollgll saidbboss' and through the plate. 14. Whe'nthe' partsarerin the posi tions shown in Figs. 1 and 3,sui'fic1 eno' movement ofthe' arms of thetu'rnstile backvvardvvillicause thehead of the turnstileto turn sufficiently to cause-the boss 42' to-move the pawls 39 into contact with the ratchet 37 and prevent furtherbacltward movement,
as shown in 5; Movement given to: the headof the turnstile ifn' aproper direction will causeithe'hoss 42tomove the'pawls' 39 out" of contact with the ratchet "37, the re leasing movement of said pawls' being limQ ited by thestudscarried bythe plate 145). Embraced in the s'aid headofi'the turn-- stile are four pins located suhstantiallyj pin is mounted ina .pocl tet 46formed in the central portion of the"'loWer head block and the axis of each of these pockets is in alignment with the longitudinal axis of the lower horizontal members 13 of each" arm of the turnstil e; These pocliets open into the annular space separating the lugs 11' of said lower headblock. Formed: in opposite sides'of'the' post 3 are" two pockets lfi, and
these pockets are in alignment with" any given pairgof pockets 4:5 Upon referring:
particularly toFig'. 6; it" will" be noticed tliat the line 47 re )resentsaradiusgreaterthan theline 48. I hereforiif the horizontal pins 414 in Fig 6 bein alignment With the pockets 4 6, obviously if the members 13' shown'fin horizontal position Fig; 6' be moved in? the directions indicatedby arrows, the lower cornersl of these horizontal members by reason of their greaterradiu's will forcethe i horizontal pins 44' inwardly'intothe'pockets 46 to. permit the clearance of said corners With saidv p ns so that the pairs of arms under consideration m be moved into the position shown in 2; By reason of the to prevent substantial movement fact there are" only two pockets the pins 44 shown in verticalf 'positionjin Fig. 6; will he incontact with the imperforate surfacesof. the post 3, and consequentlythe'horizontal members 13 shown'in' vertical positionin Fig. '6' becauseof the greater radius of their corners cannot have movement by their associated pins 44*, and
consequently the horizontal normally-posh through an angle of 90 topermit one pers son to-pass, and When; this person has passed it is usual to employ means to prevent the passage ofanother person until his fare has been paid;v The-locking means I illustrate is 1 Well-known, and embraces a lbcking' arm' 50 Which is suitably pivoted Within the base or column 2'; The upper end of this locking" arm normaliyoperates'in' a slot 51 which is fornie'd in" projection forming part of the plate 14; In this positionthe locking arm is obviously in the path of movement of the lowermost horizontal member of one of the arms; anclfordinarily this horizontal memher would come in contact with this locking aria, By reason of the pivotal mountingr l o fthe armsfof my turnstile, Ifind it. advisable" t'oprovide sturdy means forming part J of the lowerhead block 7 to recei'vethe blow of't he'head" of the turnstile developed by contact with thelocking arm 50. This" means comprises four lugs- 52 which are substantially at 9Q apart, and they project beyond the mainhody of said lower head blocl; as shown clearly in- Fig. 10, and are located underneath the normal positions oi" rest of the lower horizontal members. When the locking arm 50 is thrown into the path of movement of any given arm, it Will also be 1n the'path of movement of one of the lugs 52{('F1g. l0), and consequently these lugs in turn will receive the iinpactofthe blow.
There is always a slight movement possible to the arms of my turnstile, and: any blow they may receive by contact with: the arm 50 will be very slight.
Thelocking arm 50 is coupled by a rod 53 tothe foot trip 54, and by means of the spring, couple'cl at its upper end in any suitable Way to the hase'or coliimn 2', and at its lower'end to'the foot trip 54!, the lock ingarm' 50 is automatically returned to noriso 7 requirements mal position when pressure againstsaid foot trip 1s removed.
While I have ple can be embodied in many different forms and I desire not to be limited beyond the of the prior art and the terms of my claims.
What Iclaim as my inventionis:
1. A turnstile comprising a stationary .vertical support; a vertical head revolvably carried thereby; twoopposing pairs of horizontalarms; vertical means lying sub stantially parallel to said support and carried by said head and on which the inner ends ofsaid arms are pivoted, said pairs of arms being mounted soas to be given a common rotary movementwith said head around said support; means to lock said head and arms against said rotary move ment, and means interiorily carried byvsaidhead and functioning directly in conjunction with said stationary support to release one pair only of said arms in opposing position so that they may be swung horizontally on their vertical pivotal means while said head is locked against rotation to place them,
substantially parallel to the direction of movement of traflic through the passageway in which said turnstile may be located.
2. In the combination as set forth in claim 1, the further feature of providing means to lock said vertical head against any material reverse moveinent. 7 f V 3. A turnstile comprising a stationary vertical. tubular support; a post fixedly centrally mounted within said support and projecting" thereabove; a rotary, head embracing upper and lower'head 'blocks through which said post passes; vertically apertured horizontally-disposedlugs carried by said head blocks, located respectively substantially at an angle of 90 to one another and in the same horizontal plane;
a sleeve located around said post and secured at its upper and lower ends to said head blocks; rods mounted in said lugs exteriorly of said sleeve; horizontal arms grouped in loosely mounted 1n pockets formed in one of said vhead blocks and'normally lying in the sameplane as the inner pivoted ends of said arms, one pair of opposing pins located opposite pockets formed-in opposite sides of that part of said post located within said particular head block so that as the arms of a given pair in opposing position are moved onthe1r respective rods their ends in contact with their associated pairs of pins will force these pins into their respective pockets and said given'pai'r of arms may then s w 7 i be moved .to ultimately v occupy positions described What I consider to be the best embodiment of my invention, I I desire it to be understood that the princi parallel to the direction '01": movement of trafiic. f T Y I 4. A turnstile comprising a stationary vertical support; a post fixedly centrally mounted therein and'projecting thereabove; a rotary head embracing-upper andlower head blocks "through which said post passes;
- vertically-apertured lugs carried by saidpairs ofarms; and said post, and adapted,
when so set to be moved into pockets formed in said post to provide for movement of one paironly of said arms in opposing position, on their associated rods, for the purpose specified; upper and lower locking sleeves mounted on said rods and adjacent each of the said head blocks; each sleeve having openings through which said arms extend; an internally-threaded adjusting sleeve having threaded engagement with the inner ends of said arms are pivoted; means fixedly carried bysaid rods and coacting with said adjusting sleeve and around which the latter has rotary movement so as to move said locking sleeves towards or away from each other 'so that they may bemoved out of, or into, the path of inovemento'i said pairs of arms when it is desired to permit the arms of one pair'to be swung upon their pivotal points independently of rotary movement of said head, or to cause .said pairs of arms to have common" rotary movement with said head.
5. In theocombination asset forth in claim 4, the further feature of providing a fixed plateat the upper end of said support against which said lower head block rests; means coacting with said plate to limit the recording movement of the arms of said turnstile, and lugs forming part of said lower headv block and projecting therebeyond and adapted to contact with said movean angle of 90 to one another; means car'- ried by said base to lock said head block against material reverse fmovement; vertical rods mounted in said lugs; horizontal arms grouped in pairs in opposing position and pivoted at their inner ends on said rods, and opposing pairs of pins loosely mounted in pocketsformed in said head block and normally'lying in the same plane as the inner pivoted ends of said arms, one pair of opposing pins located opposite pockets formed in opposite sides of that part of said post located Within said head block so that as the arms of a given pair in opposing position are moved on their respective rods their ends in contact With their associated pair of pins will force these pins into their respective pockets and said given pair of arms may then be moved to ultimately occupy positions parallel to the direction of movement of traflic.
. HERBERT BARCROFT ODELL.
US327551A 1928-12-21 1928-12-21 Turnstile Expired - Lifetime US1816193A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839825A (en) * 1973-07-13 1974-10-08 Perey Mfg Co Inc Turnstile with readily dismountable arms

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839825A (en) * 1973-07-13 1974-10-08 Perey Mfg Co Inc Turnstile with readily dismountable arms

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