US1877996A

US1877996A - Manhode cove

Info

Publication number: US1877996A
Application number: US478617A
Authority: US
Inventors: Connor B Shanley
Original assignee: Individual
Current assignee: Individual
Priority date: 1930-08-29
Filing date: 1930-08-29
Publication date: 1932-09-20
Anticipated expiration: 1949-09-20

Description

p c. B. SHANLEY 1,877,996

MANHOLE COVER Filed Aug. 29, 1930 2 Sheets-Sheet l Z7 l/EN TOR Con/7o ,5 5640/29.

7 7-ORNEr Sept. 20, 1932. c. B. SHANLEY MANHOLE COVER Filed Aug. 29, 1930 2 Sheets-Sheet 2 I 'mw AfTOR/WE)" Patented Sept. 20, 1932 x CON Nome) SHANLEY, joFsT .-I'LoU1s MISSOURI l ivrAgmoiiE coimig Re'lferrir l grnowjmerein detail: and byi'e the frameface" a; as 'best "seen" 110 Figures" 2,

'of, and ceinm numbef, Y disposed annulaflyfiin spzieed rel For -accomifi'o dating;md eo-op efatioti with" videflradially"adjeeent its margin'withziislot 9, Whichv0pens to the op pogltetep 'an'dlbo t upper face 'mmv ng a5 "With'the top face of cover B and an oblique or beveled under face d, a nose 1 projecting from one end-face of body 14 for engaging co-operation with the cover-shonlder13, and 1 j way engagin'g arms or lugs 16 projectinglat- L erally in opposed relation from the body'lt.

Hence, in use andoperation, :thecover. B

, being seated in the frame A, each respective anchor C is suitably disposed through itsre' spective cover slot 9 to engageits, arm (hinder the frame-rib 4; and to'seatits arms 8 in the opposed recesses 10. 'The parts" are so relativelypro ortioned; that, the anchorQbeing so engaged with the frame A, the upper face 5a. of shank 5 isnow approximately flush, as sho'wn, with thecover-face hand to tightly secure the anchor :G in such frame-engage; ment, a wedge .D' is now inserted in;.slot 9 with its body 14 overthe arm 7 and its arms 16 disposed in the recesses 11. The wedgeD is then" forcibly, shifted radially inwardly relatively to the cover B, its arms l 6 riding in and engaging the walls of the-ways12 and its under face (23 engaging the arm 7 to t ere,-

by tightly secure, the anchor C, andconsequently also the coverB, detachably'or removably in place,

7 Referring now to Figures 5 to ,7, both inclunated C, are somewhat modifiedin structure n from the anchoring-members C, each member C includinga shank 5, a firstframeengaging arm 6, an opposed: arm 7 approximately rectangular in section for so-called covergen gagement, and a thirdcover-engaging.arm

8 projecting in suitably spaced relation over, andof reduced length relatively to, the

airm 6 and forming With the arr 11 6", asitimay or accommodating and co-operation with the anchor C, the cover'B is'similarly pro 'vided radially adjacentits margin with a slot 9;,Ithe cover B being provided at the outer end and within the confines ofthe slot with aradially inwardly projecting portion 13,? and the cover B being also provided atthe inner" end and within theconfines of slot 9 with a radiallyoutwardly projecting por A tionl7. And also, for purposespresentlyappearing, the cover B upon its upper face and .upon opposite sides of and at the inner radial end of slot 9 is formed with a pair of align ing recesses 11, theinne'r end wall of slot 9 in registration' withthe inner end walls of therecess 11" being beveled or undercut, as

at 18, and also obliquely disposed, relatively to the axial'center of cover B for co-operation witha wedge-blockD adapted for disposition' within the recesses 11, crosswise over the arm 7 and havinga beveled and oblique sive, the cover-anchoring members desi'g-Iv wall d for wedge-Wise co-operation with the wall 18, it being understood, of course, that the recesses 11 and the block D are of suchflrelative dimensions as to permit of wedge, movement of the block D chordwise of-the cover B from the larger toward the smaller recess 11, as best seen in Figure 5.

Hence, in use and. operation, the cover B chor 'C is suitably disposed through its respective cover-slot 9 to engage its-arms 6 and 8 with the'cover portion 13 and the frame-rib 4, as best'seen in Figure 6, its arm 7 then resting on the-cover-portion 17. A

wedge-block D is now disposedin cover and frameanchoring relation with the wallsof the recesses 11. and forcibly shifted chord- Wise of coverB for wedgingly securing the anchor. C,, and-consequently also the cover B, attachably'or removably in place.

Thus, in the respective v forms of mylinvention, the respective anchors C, are tightly held or wedged in place-and, in turn,

being seated in frame A, each respective anw tightly secure the grespective coversB, B to V the frameA in frame-closing position, the covers as so held belng eiiic ently secured.

against rattling and misplacement. It will,

of course, be understood thatpwhile not here shown, unoccupied portion ofithe respec tive slots and, recesses of thejfcovers may be filled'with asphalt or other suitable removable substance or material to prevent the 611-1 trance of water and other foreign matter inrto the manhole; and, as Will'benoted, the

cover-flange lor rib 4 ispreferably provided My new man-hole covers and; their anchor ing means 'may be economically. manufac tured, are exceedingly efiicient in the performance of their intended functions, and be described, a fork ,for gripping the cover and frame, as best seen in Figure 6.

are readily adapted for replacement and for illin its upper face with annularlyspaced lugs use with different typesof man-holes, it be-v ing understood that, the covers and their anchoring 'members fmay correspondingly 'be constructed in different'tlimensionsto(fit the 1 requirements of any moreor less standard frames, and that other changes and modifications in the form, construction, arrangement, and combination vof the several parts may be made and substitutedfor those herein shown and described without departing from the.

nature and principle of my invention,

Having thus described my inventiomwhat I claim and desire to secure by Letters Patent is :f

v 1. Means for, anchoring man-hole over andthe like including an anchor comprising a shank adapted for support upon the cover and opposed arms on the shank adapted respectively for engagement with the frame and covenand a member for securing the anv chor in cover and frame engagement;

2. Means for anchoring a man-hole cover I and the like including an anchor comprising 1:; senses:

a'arml piiojectiirgilaterallii from the shank in opposed relation to the first arm for engagement with the cover, and a member for securin the anchor in cover and frame engagement. c

3. Means for anchoring a man-hole cover a shank adapted for support upon the cover,- a first arm projecting laterally from the shank for engagement with the cover, and a pair of spaced second arms, projecting laterally from the shank in opposite relation to the first arm for co-operative engagement with the frame andcover, and amember for securing the anchor in cover and frame en-' 7 havm-gza slot and arm-"seat1ng. andengagmgg gagement.

4. In combination with a man-holecover having a slot, of an anchor including a shank for disposition in said slot, arms on the shank adapted for engagement with the cover for supporting the shank in said slot, an arm on the shank adapted forengagement with the man-hole frame, and an opposed arm on the shank adapted for engagement with the cover, and a shiftable member for secur- Ting the anchor incover and frame engagement. e r

5. In combination with a man-hole coverv having a slot, of an anchor including a shank for disposition in sa1d slot, arms on 'the shank adapted for engagement with the cover for supporting the shank'in said slot, 7

an arm on the shank adapted for engagement with a man-hole frame, and an opposed second arm on the shank adapted for engagement with the cover, and means adapted for engagement with the cover and with the second arm for removably securing the anchor to the cover. i

6. In combination with a man-hole cover having a slot, of an anchor including a shank for disposition in said slot,arms on the shank adapted. for engagement with the cover for supporting the shank in said slot, an arm on the shank adapted for engagement with a man-hole frame, and'an opposed second arm on the shank adapted for engagement with the cover, and a member adapted for engagement with the cover and with the second arm for wedgewise removably securing the anchor -to the cover.

gagement awithi the" r man-hole frame-, and a 1 shiftabl'e member; or securing the anchor: lin' cover and frame engagements? 8. 111- combination W1 hr-aimanahol'e cover having a slotiand '-arm=seat ingland engaging =1 portions-2 within rthesconfineszof :the slot; of ansanchor includinga shank.foridisposition in'r saidslotyafirstsarm onath'eishankadaptedifori' V engagement} withrsaid EQOVI' .armeseating: por: tl'O-Il :lfo'r supportmg-sthe shank t-1n: sa1d slot; a:

second? time on the' shank adapted for engage- I ment :iwithisaidiarm-engagingportion; and'fa third armaprO ecting from thea'shank inispaced relation 5w he; second armiadapte-d: fOI'aeIl-a g0 gagementwi thithe!man holerframerin'opposi tion to the cover-engagement of thei'secondi arm,':;andi a :shiftableimemberifon securihg-ithe v anchor jinicov ere and 'fr'ame engagements 9.1 In combination a'with a :man-hole cover? portions swithin the confinesrof therslotfoflan 1 spaced relation to thesecondzarm adaptedfor' engagement with the man-hole frame in op;

positionto the' cover-engagement ofithe sec-2 ondarm',-'-an'd-means adapted for engagement with the firstt arm": and with Tithe cover; for" removablly securin'gthe anchor to the cover:

having-a1slot and arm se'atingt and engaging portions within the confinesof the slot, of an anchor-r including :a shank 2for1'di'sposition in: said slot, ja first arm on-tithe. 'shankad'apteil for: engagement with *said 'icover' zarmeseatingi portionzfor supporting the shank insaid slot;

a :second arm on. the shank adapted ifdien gagement with said arm engaginglz'portion; and :a third 'arm projecting. from? the *shank in :spaced relation to the second arm :adapted forrengagemente with vthe man+hole fra mein:

opposition; to-thef' icover engagementiof the second-"arm,- ands a fiwedge member adapted: for :engagement; with the first rarm 'an'dsxthei cover for removablyyfsecuring .the anchorsto theicqverr 1" 2 -11}; combination witha man-:hole'frame;

" ofa icover'adaptfe'd to close the 'openingeinthez frame, and m'eansfor detachably securing the cover to the frame, said means includingaan anchor :remoVa-bly -engageable both? the coner iand-rthe: frame, and: a member engages able with'the cover and th'eanchor for'remov ably? securing the anchor in coverandframei engagements- I V I 1 V .12. In combination with a man-hole frame; ofw a :cover adapted .to :close the openi ng'" in the-frame, the cover havingra slot,-and means: for de'tachably securing. thea cover to the: frame; said means including-tan anchor re -i 10: "In'icombination witha mansholei -co'ver movably fitting said slot, and engageable with; and relatively. to th anchor f for wejdgewise both thecove'r and the frame, and'a member. anchor securing engagement with'theicover.

In 'testimoriywwhereof, 1? have signed my name'to thisspecificationa- Wedgewise engageablegwith the. anchor "and the. cover for removably securing the anchor in: cover and frame engagement.

frame, saidcover having a radial slot, and means, for detachablys-ecurmg the cover to vthe frame,-said means inclu'dingan anchor a member adaptedforWedgewiseengagementa with the cover and-with'gone of the-armsof the anchor. Y

13. In combinationwith-avman-hole frame; ofa cover adapted to close the opening in'the 14; In combination with a man-hole frame,

of a cover adapted to close .theopening in-thet frame, said cover having a radial slot and ,pairs offaligning recesses and longitudinal;

ways inthe walls of the slot, and means for detachably securing the cover to the frame,

said means including an anchor comprising a shanlglateral arms on the shankxadapted to seat in a pair of said recesses for supporting the-shank. in said slot, a firstarmon the,

shank adapted for engagement with .the

frame, and a second armon the shank adaptedto residein said slot, and a'mcmberihav ing arms adapted for. disposition through said second pairaof recesses for slidable en gagement with the walls-of said ways for wedgewiseengaging the body of said member. with the cover and with said second arm.

. 15. lncombination with a man-hole frame, a if of :a cover adapted to close the opening in the frame,sa1d cover havlng a radial slot, and

a pair of aligning-wedge-recesses inthewalls of and communlcatmg with the slot and the cover also: having arm-seating and engaging V portlons 1n the-confines of the slot, and means" for detachably securing the cover to the frame,said means including an anchor comprisinga'shank adapted to fit'in said slot, a

first arm on the shank adapted to seat on said-arm-seating portion in said s1ot,"a second varmonthe shank adapted to fit over.= i I and engage with said arm-engagingaportion in "said slot,.and a third arm 'on the shank 7' i M for engaging the cover and its frame, and a member. :slidable on the anchor for wedgecover. 5 v

wise anch0r-securing engagement with the' 17 Means for rem'ovaloly anchoring a many hole cover and the like, the same including an:- anchor removably engageabledwith' the cover-and its frame, anda blockslidable on adapted to project underxandengage with a 1 the frame in opposition to the cover-engage ment of the second arm, :andaa member adapted to shiftably reside in said reces ses' and over said firstarm to wedgew ise reside GONNOR "BL; f