Apparatus for fabricating wood structures
阅读：506发布：2022-11-04
专利汇可以提供Apparatus for fabricating wood structures专利检索，专利查询，专利分析的服务。并且Apparatus for fabricating wood trusses of the type having lower chord members, upper chord members, and web members extending from the lower chord members to the upper chord members, which utilizes a C-shaped press having an upper platen and a lower platen which are relatively movable toward and away from each other for driving nailing plates into two or more wood members of a truss from above and below. The apparatus has floor level track means comprising central track means extending heightwise in relation to the truss between the locations of the lower and upper chord members, lower chord track means extending outwardly from both sides of the central track means, and upper chord track means extending outwardly from both sides of the central track means. A plurality of stands are mounted on the track means for holding the wood members to be operated on by the press, with the central track means having at least one of the stands mounted thereon for movement therealong heightwise in relation to the truss. Others of the stands are mounted on the upper and lower chord track means for chordwise movement therealong. The upper chord track means comprises wing track members extending outwardly from the central track means with the inner ends of the wing tracks being pivotally connected to the movable central track stand for swinging movement in a generally horizontal plane relative to the movable central track stand. Additionally, the apparatus includes outboard track means on both sides of the central track means extending generally heightwise in relation to the truss, and carriage means movable on each outboard track means. The wing track members are supported on the carriage means for movement therewith while swinging about their pivotal connection to the central track stand.，下面是Apparatus for fabricating wood structures专利的具体信息内容。
1. Apparatus for fabricating wood trusses of the type having lower chord members, upper chord members, and web members extending from the lower chord members to the upper chord members, utilizing a C-shaped press having an upper platen and a lower platen which are relatively movable toward and away from each other for driving nailing plates into two or more wood members of a truss from above and below, sAid apparatus having floor level track means comprising central track means extending heightwise in relation to the truss between the locations of said lower and upper chord members, lower chord track means extending outwardly from both sides of said central track means, upper chord track means extending outwardly from both sides of the central track means, a plurality of stands mounted on said track means for holding the wood members to be operated on by the press, with said central track means having at least one of said stands mounted thereon for movement therealong heightwise in relation to the truss, others of said stands being mounted on said upper and lower chord track means for chordwise movement therealong, said upper chord track means comprising wing track members extending outwardly from said central track means with the inner ends of the wing tracks being pivotally connected to said movable central track stand for swinging movement in a generally horizontal plane relative to said movable central track stand, outboard track means on both sides of said central track means extending generally heightwise in relation to the truss, and carriage means movable on each said outboard track means, said wing track members being supported on said carriage means for movement therewith while swinging about their pivotal connection to the said central track stand.
2. Apparatus as set forth in claim 1 wherein said lower chord track means comprises wing track members extending outwardly from the central track means pivotally attached to a respective central track stand and second carriage means movable on said outboard track means, said lower chord wing track members being supported on said carriage means for movement therewith while swinging in a generally horizontal plane about their pivotal connection to the said respective central track stand.
3. Apparatus as set forth in claim 1 wherein each said stand has means for supporting said wood members, means for holding a nailing plate in position below the wood members for being driven upwardly by the lower platen of said press, mounting means at the bottom of said stand engaging said track means, and means for clamping the stand in adjusted position along said track means.
4. Apparatus as set forth in claim 3 wherein the movable central track stand has a base carrying said mounting and clamping means, and side walls extending up from the sides of the base carrying said wood member supporting means, said base having means at its center for pivotally attaching both respective wing track members thereto, and said side walls each having an opening for passage therethrough of a respective wing track member for being attached to said pivotal attachment means and permitting swinging movement of the wing track member about its pivotal attachment point.
5. Appratus as set forth in claim 1 wherein each said carriage means comprises a platform supporting a respective wing track member with the latter being slidable and swingable on the platform, and wherein each said carriage means has roller means for rolling of the carriage means along the respective outboard track means, and means for clamping each wing track member to the respective outboard track means and for raising and lowering the respective roller means, said clamping means being operable in one direction to clamp the wing track member to the outboard track means while relieving the rollers of substantial clamping forces, and operable in the opposite direction to release the wing track member from the outboard track means and to permit rolling the carriage means along the outboard track means on the rollers.
6. Apparatus as set forth in claim 5 wherein said clamping means are operable in said one direction to raise the roller means clear of the outboard track and are operable in the other direction to lower the rollers into engagement with the outboard track means.
7. Apparatus as set forth in claim 6 wherein each said outboard track means has an upwardly fAcing surface engageable by the respective roller means and a downwardly facing surface engageable by elements of the respective clamping means.
8. Apparatus as set forth in claim 7 wherein said outboard track means comprises a pair of spaced apart rail members having inwardly directed upper flanges with the upper flange surface constituting said upwardly facing rail surface and the lower flange surface constituting said downwardly facing rail surface.
9. Apparatus as set forth in claim 8 wherein said pairs of rail members are disposed substantially parallel to said central track means and spaced outwardly therefrom and are recessed in the floor with the upper surface of said upper flanges substantially at floor level.
10. Apparatus as set forth in claim 9 wherein said wing track members have upper track surfaces engageable by said stand mounting means, lower track surfaces engageable by said stand clamp means, a downwardly facing surface engaging said carriage platform, members at each side of the wing track member having lower flanges extending in under said carriage platform with the upper surface of said lower flanges engageable by the carriage platform and the lower surface of said lower flanges engageable with the upper rail surface for clamping the wing track members to the rail members.
11. Apparatus as set forth in claim 10 wherein each said wing track member comprises a downwardly facing channel member having a horizontal web member, a pair of flange members extending down from the sides of the web member, and a pair of spaced rails with each rail being secured along the outer margin of the top surface of the channel web and projecting outwardly beyond the sides of the channel such that the upwardly facing rail surface constitutes said upper track surface engageable by said stand mounting means and the downwardly facing surface of the rail which projects outwardly beyond the channel constitutes said lower track surface engageable by said stand clamp means, and said lower flanges being secured to the lower portions of said flange members, with the lower surface of said web member constituting said downwardly facing track surface engaging said carriage platform when said carriage clamp means is moved to release the wing track member from the outboard track means.
12. Apparatus as set forth in claim 11 wherein said carriage means comprises a base carrying said roller means, said clamp means, and means mounting said platform above the base for relative vertical movement of the base and platform.
13. Apparatus as set forth in claim 12 wherein said platform is carried by a support post extending downwardly therefrom through an opening in the base, the post being slidable in said opening, and having a lever pivotally connected intermediate its ends to said base for up-and-down pivotal movement having one end pin-connected to the lower end of said post and its other end engaging actuating means for effecting up-and-down pivotal movement of said lever for moving said platform upwardly relative to said base for lifting the wing track member clear of the rail members and bringing said roller means down into engagement with said upper rail surface and for moving said wing track member downwardly relative to said rail members for engaging the lower surface of said lower flanges on said upper rail surface and bringing clamping means on said base into engagement with the lower surface of said rails.
14. Apparatus as set forth in claim 13 wherein said platform has arcuate ends adjacent the flange members of said wing track member enabling angular movement of the wing track member relative to the platform as well as chordwise sliding movement of the wing track member on the platform.
15. Apparatus as set forth in claim 14 further having means for effecting movement of said carriage means along the respective rail members comprising endless chain means extending heightwise of the apparatus disposed between said pair of said rail members, said endless cHain being trained around a sprocket at each end of said rail members and having an upper reach and a lower reach, said upper reach being connected to said carriage means, one of said sprockets being on a shaft adapted to have drive means connected thereto for effecting movement of said chain.
16. Apparatus as set forth in claim 1 further having means for effecting heightwise movement of said movable central track stand comprising endless chain means extending the length of said central track means and sprockets at each end thereof around which said chain means is trained, said chain means having an upper reach extending along the top of said central track means and a lower reach, said central track stand being connected to said upper reach, and one of said sprockets being on a shaft adapted to have driving means connected thereto for effecting movement of said movable central stand along the central track means.
17. Apparatus as set forth in claim 1 wherein each said wing track member comprises an inner track section pivotally attached to its respective center track stand, an outer track section detachable from the outer end of said inner track section, and means detachably connecting together the outer end of said inner track section and the inner end of said outer track section with said track sections in end-to-end butting relation.
18. Apparatus as set forth in claim 17 wherein said detachable connection means comprises means for aligning said outer track section relative to said inner track section and latching means for securing them together.
19. Apparatus as set froth in claim 18 wherein said alignment means comprises at least one tapered pin secured to and extending out beyond the end of one of the track sections and at least one receptacle secured to the adjacent end of the other track section, said receptacle having a tapered hole therein for receiving said tapered pin as said inner and outer track sections are in end-to-end butting relation with each tapered pin being adapted to have a close fit within said tapered hole for aligning said inner and outer track sections relative to one another.
20. Apparatus as set forth in claim 19 wherein said latching means comprises a latch bar secured to the end of one of the track sections, and a movable clasp pivotally connected to the end of the end of the other track section, said clasp having actuating means operable for pivoting it to engage said latch bar to secure said inner and outer track sections in end-to-end butting relation and reversely operable for detaching the outer track section from the inner track section.
21. A carriage having roller means adapted to roll on a track for rolling the carriage to different positions along the track, means for clamping the carriage to the track, actuating means operable for moving the clamping means between an unclamped position in which the clamp means is clear of the track and the roller means is in engagement with the track for rolling the carriage along the track and a clamped position in which the clamp means is in engagement with the track and the roller means is substantially free of clamping stress, said actuating means being reversely operable for moving the clamp means from its clamped position to its unclamped position, said carriage further comprising a platform and a base carrying said roller means, and means mounting the platform above the base for relative vertical movement of the base and platform, said mounting means including a support post carried by the platform extending downwardly therefrom through an opening in the base, the post being movable in said opening and having a lever pivoted intermediate its ends to said base for up-and-down pivotal movement with one end of said lever pin-connected to the lower end of said post and with its other end engaging said actuating means for effecting up-and-down pivotal movement of said lever for moving the platform upwardly relative to said base for unclamping said carriage from said track and foR bringing said roller means down into engagement with said track and for moving said platform downwardly relative to said base, moving said roller means clear of said track, and bringing said clamp means into engagement with said track for clamping said carriage thereto.
22. A carriage as set forth in claim 21 wherein said track has an upwardly facing track surface engageable by the roller means and a downwardly facing surface engageable by elements of the clamp means.
23. A carriage as set forth in claim 22 wherein said platform mounts a member movable thereon having a downwardly facing surface engaging said platform and lower flanges extending in under the platform, said lower flanges each having an upper surface engageable by said platform and a lower surface engageable with said upwardly facing track surface when said carriage is in its clamped position.
24. A carriage as set forth in claim 23 wherein said actuating means comprises a screw threaded through said base and projecting downwardly therefrom for engaging the end of said lever opposite said support post for effecting up-and-down pivotal movement of the lever as said screw is threaded in and out of the base.
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