Takeout jaw insert and assembly

Abstract

A takeout jaw .Iadd.assembly .Iaddend.for use in a bottle-forming machine .[.is formed in a semicircular shape and.]. contains a spring clip for holding immovably .[.a piece of.]. .Iadd.an arcuate, .Iaddend.non-metallic .[.contact material.]. .Iadd.takeout jaw insert .Iaddend.within .[.a.]. .Iadd.an arcuate .Iaddend.pocket in the body of the takeout jaw.

We claim: 
     
       1. A takeout jaw assembly comprising the combination of (a) a takeout jaw comprising   a semi-circular base having a wall having front and rear edges;   a semi-circular shelf perpendicular to said wall, forming a pocket with said base;   a top parallel to said base extending from said wall towards said front edge of said base;   a yoke perpendicular to said top and extending therefrom; and   a spring clip attached to the outside of said wall and extending through an opening in said wall formed by cut-outs in said wall, said shelf and said base; and   (b) a non-metallic contact material insert comprising   a semi-circular body having front and rear edges; and   a lug formed at said rear edge of said body by cut-outs therein, said lug having a depression extending substantially parallel to said rear edge of said body;   said spring clip and said depression being in mating relation to retain immovably said insert within said pocket.   
     
     
       2. An assembly according to claim 1 wherein said insert is fabricated of graphite. 
     
     
       3. An assembly according to claim 2 wherein said takeout jaw is fabricated of machined steel. 
     
     
       4. A takeout .[.jay.]. .Iadd.jaw .Iaddend.assembly for handling glass articles comprising: (a) a semicircular base comprising a wall member having upper and lower, radially inwardly projecting, shelf members, said shelf members and wall member forming a recess;   (b) a substantially semicircular, non-metallic insert located in the recess, said insert having an inwardly projecting edge extending beyond said shelf members for contact with glass articles to be handled; and   (c) means for retaining said insert in said recess, said means comprising a spring affixed to the wall member and engaging a surface of the insert.   
     
     
       5. The assembly of claim 4 wherein the insert comprises graphite. 
     
     
       6. The assembly of claim 5 wherein said base is fabricated of machine steel. 
     
     
       7. The assembly of .[.claim 2.]. .Iadd.claim 4 .Iaddend.wherein said insert has a depression formed in a surface adjacent a rear edge for receiving said spring. 
     
     
       8. A takeout jaw assembly for grasping glass bottles comprising: (a) an arcuate base comprising a wall member and radially inwardly extending, substantially parallel, top and bottom shelf members, said shelf members and wall defining a recess;   (b) a semicircular bottle contacting body located in said recess and having a radially inwardly extending edge for contacting said bottles, said body having a depression adjacent a rear edge thereof; and   (c) means for retaining said body in said recess, said means comprising a flat spring attached to an outer surface of the wall member, extending through an opening in the wall and having an end for engaging the depression in the contacting body.   
     
     
       9. The assembly of claim 8 wherein the base comprises machine steel. 
     
     
       10. The assembly of claim 9 wherein said semicircular body comprises graphite. 
     
     
       11. The assembly of claim 10 wherein said base further includes a yoke member extending upwardly from said wall for engagement with a lifting means. 
     
     
       12. The assembly of claim 11 wherein said spring is attached to the wall by a threaded fastener. .Iadd. 
     
     
       13.  A takeout jaw insert for handling hot glass articles comprising; a non-metallic body generally in the shape of a semicircular annulus, having a substantially planar upper surface, a substantially planar bottom surface substantially parallel with the upper surface, a curved front surface having a first radius, a curved rear surface having a radius greater than that of the curved front surface in substantially annular relationship with the front surface, and two planar surfaces defining each end of the semicircular annulus, said curved front surface having an inwardly projecting glass contacting edge, said glass contacting edge being precision mateable with a hot bottle, said curved rear surface defining a lug in the curved rear surface, said lug having an elongate depression extending along the upper surface of the graphite body adjacent and tangential to the rear edge. .Iaddend. .Iadd.14. The takeout jaw insert of claim 13 wherein the glass contacting edge further comprises helical reliefs for contacting threaded bottles. .Iaddend. .Iadd.15. A takeout jaw insert for handling hot glass articles comprising:   a non-metallic body generally in the shape of a semicircular annulus, the body having a curved front surface having a first radius, and a curved rear surface having a radius greater than that of the curved front surface in substantially annular relationship with the curved front surface, said curved front surface having an inwardly projecting glass contacting edge, and said rear surface defining a lug in the curved rear surface having an elongate depression extending along an upper surface of the graphite body   
     
     
        adjacent and tangential to the rear edge. 16. A takeout jaw insert for handling hot glass articles comprising: a generally semicircular non-metallic body in the form of a portion of an annulus, said body having (1) a curved front surface and a curved rear surface, said curved front surface having an inwardly projecting glass contacting edge, and (2) a lug extending radially outwardly from a substantially central portion of said curved rear surface, said lug having a depression therein. .Iadd.17. The insert of claim 16 wherein the semicircular body further comprises a substantially planar upper surface and a substantially planar lower surface. .Iaddend. .Iadd.18. The insert of claim 16 wherein the body is a substantially rigid, monolithic member, with said depression being in an upper surface of said lug. .Iaddend. .Iadd.19. The takeout jaw insert of claim 16 wherein said depression   
     
     
        comprises a longitudinal slot in said lug. .Iaddend. .Iadd.20.  The takeout jaw insert of claim 19 wherein the insert is in the form of a substantially semicircular, annular, rigid, monolithic body terminating in two substantially vertical planar edges which lie at opposite ends of the diameter of said semicircular, annular, rigid, monolithic body, with the depression extending in an upper surface of said lug as a longitudinal slot in a direction parallel to said diameter, said insert having only one said lug centrally located extending radially outwardly from the curved rear surface. .Iaddend. .Iadd.21. The takeout jaw insert of claim 16 wherein the insert is in the form of a substantially semicircular, annular, rigid, monolithic body terminating in two substantially vertical planar edges which lie at opposing ends of the diameter of said semicircular, annular, rigid, monolithic body, said body having substantially parallel, horizontally directed, parallel upper and lower surfaces, with the depression extending in an upper surface of said lug as a longitudinal slot in a direction parallel to said diameter. .Iaddend. .Iadd.22. A takeout jaw insert for handling hot glass articles comprising: a substantially non-metallic arcuate body having (1) a curved front surface and a curved rear surface, said curved front surface having an inwardly projecting glass contacting edge, and (2) a projection extending from said curved rear surface, said projection having a depression therein. .Iaddend. .Iadd.23. The takeout jaw insert of claim 22 being a rigid monolithic portion of an annulus, with said projection extending in a radially outward direction from a substantially central location on said curved rear surface, with said depression being in an upper surface of said projection. .Iaddend. .Iadd.24. The takeout jaw insert of claim 23 wherein said depression comprises a longitudinal slot in Said projection. .Iaddend. .Iadd.25. The takeout jaw insert of claim 13, 15, 16, 18, 20, 22, or 23 wherein said insert is composed of graphite. .Iaddend. .Iadd.26. A takeout jaw assembly for handling hot glass articles, said takeout jaw assembly being comprised of:   (i) a holder Comprising a wall with upper and lower shelf members, said wall and shelf members forming a substantially arcuate pocket;   (ii) an insert as defined in claim 25 matably fitting in the pocket of said holder so that its glass-contacting edge extends beyond said shelf members for contact with hot glass articles; and   (iii) a biased detent, supported by said holder and engaging said insert in the depression of said insert, the detent immovably but releasably retaining said insert in said pocket. .Iaddend. .Iadd.27. A takeout jaw assembly for handling hot glass articles, said takeout jaw assembly being comprised of:   holder comprising a wall with upper and lower shelf members, said wall and shelf members forming a substantially arcuate pocket;   (ii) an insert as defined in claim 13, 15, 16, 20, 22, or 24 matably fitting in the pocket of said holder so that its glass-contacting edge extends beyond said shelf members for contact, with hot glass articles, said insert being a rigid, monolithic body; and   (iii) a spring, supported by said holder and operatively engaging said insert in the depression of said insert, for immovably but releasably retaining said insert in said pocket. .Iaddend. .Iadd.28. The takeout jaw assembly of claim 27 wherein   (1) said insert has a single lug extending radially outwardly from the center portion of said rear surface of said insert,   (2) the depression is in an upper surface of the lug, which lug tightly fits into an opening in the wall of the holder,   (3) the upper and lower shelf members are substantially horizontally parallel, and   (4) the insert is composed of graphite. .Iaddend. .Iadd.29. The takeout jaw assembly of claim 28 comprising only one spring for immovably but releasably retaining said insert in said pocket, with said depression being the only depression in the upper surface of the lug. .Iaddend. .Iadd.30. A takeout jaw assembly for handling hot glass articles, said takeout jaw assembly being comprised of:   (i) holder comprising a wall with upper and lower shelf members, said wall and shelf members forming a substantially arcuate pocket;   (ii) an arcuate insert, matably fitting in the pocket of said holder, said insert having an inwardly projecting, substantially arcuate glass-contacting means extending beyond said shelf members for contact with hot glass articles; and   (iii) a biased detent, supported by said holder and engaging said insert in a depression in a rear central portion of said insert, the detent immovably but releasably retaining said insert in said pocket. .Iaddend.   
     
     
        .Iadd.31.  The assembly of claim 30 wherein said depression is in a lug that extends radially outwardly from said rear curved surface of said insert, the lug tightly fitting into an opening in a substantially centrally located portion of the wall of said holder, said opening communicating into the arcuate pocket. .Iaddend. .Iadd.32. A takeout jaw assembly for handling hot glass articles, said takeout jaw assembly comprising: (i) a holder comprising a wall with upper and lower substantially parallel, horizontally extending shelf members, said wall and shelf members forming a substantially arcuate pocket with the portion of the wall forming the arcuate pocket having an opening therein;   (ii) an arcuate graphite insert, with substantially curved front and rear surfaces and substantially planar upper and lower surfaces, matably fitting in the pocket of said holder, said insert having an inwardly projecting, substantially arcuate glass-contacting means extending beyond said shelf members for contact with hot glass articles, and said insert further having a lug projecting radially outwardly from the curved rear surface of said insert, with a depression in said lug, said, lug fitting lightly within said opening in the wall of said holder; and   (iii) a single spring, supported by said holder and operatively engaging said insert in the depression of the lug, to immovably but releasably   
     
     
        retain said insert in said pocket. .Iaddend. .Iadd.33.  The assembly as in any one of claims 30-32, inclusive, wherein said insert is a substantially semi-circular, rigid, monolithic, graphite body, with said lug being centrally located on the rear curved surface of the graphite body, with said depression being centrally located in said lug. .Iaddend. .Iadd.34. A takeout law assembly for handling hot glass articles comprising: (a) graphite body generally in the shape of a semicircular annulus having upper and lower planar surfaces, the body having a curved front surface and a rear surface having curved in portions of greater radius than the curved front surface in substantially concentric relationship therewith, said curved front surface having an inwardly projecting glass contacting edge, said body further having a lug extending outwardly from a central region of said rear surface with a depression in one planar surface of said lug;   (b) an arcuate holder comprising a wall member and radially inwardly extending, substantially parallel, top and bottom shelf members, said shelf members and said wall member defining a generally semicircular recess shaped to receive said graphite body in generally concentric relation with its rear surface contacting said wall member and said glass contacting edge spaced outside said recess, said wall member including a centrally located opening sized to receive said lug; and   (c) a biased detent connected to said arcuate holder extending into said depression to firmly secure said graphite body within said recess when said lug is positioned within said opening in said wall member. .Iaddend. .Iadd.35. The takeout jaw assembly of claim 34 wherein   (1) said insert has a single, lug extending outwardly from the center portion of said rear surface of said graphite body,   (2) the depression comprises a longitudinal slot in an upper surface of the lug, which lug tightly fits into the opening in the wall member, and   (3) the graphite body is a substantially rigid, semicircular, monolithic body. .Iaddend. .Iadd.36. The takeout jaw assembly of claim 35 wherein the body generally in the shape of a semicircular annulus terminates in two substantially vertical planar edges which lie at opposing ends of the   
     
     
        diameter of the semicircle. .Iaddend..Iadd. 37. The takeout jaw assembly of claim 36 wherein the depression comprises a longitudinal slot extending in an upper surface of the lug in a direction parallel to the diameter of 
     
     
        said semicircle. .Iaddend. .Iadd.38.  The takeout law assembly as in any one of claims 34-37, inclusive, having only one biased detent for firmly securing said graphite body within said recess. .Iaddend.