초록 ▼

A mechanism for producing low density pad-like resilient cushioning dunnage product from sheet-like stock material, such as for instance paper, comprising a support for rotatably mounting a roll of sheet-like stock material in operative condition thereon, and projections on the support adapted for c

A mechanism for producing low density pad-like resilient cushioning dunnage product from sheet-like stock material, such as for instance paper, comprising a support for rotatably mounting a roll of sheet-like stock material in operative condition thereon, and projections on the support adapted for coupling with receptacle structure defining recesses on a separable mobile cart, for detachably coupling the cart to the mechanism, with the cart having mounts thereon for rotatably mounting a roll of sheet-like stock material and in position for feeding the stock material into the dunnage producing mechanism, when the latter and the cart are in coupled condition, to create the pad-like cushioning dunnage product.

대표청구항 ▼

1. In a mechanism for producing low density pad-like cushioning dunnage products from sheet-like stock material, such as for instance paper, comprising a support having means thereon adapted for rotatably mounting a multi-ply roll of sheet-like stock material in operative rotatable position on said

1. In a mechanism for producing low density pad-like cushioning dunnage products from sheet-like stock material, such as for instance paper, comprising a support having means thereon adapted for rotatably mounting a multi-ply roll of sheet-like stock material in operative rotatable position on said mechanism and a stitching means downstream from said support and adapted to receive the sheet-like stock material therein and operable to connect the same into a pad-like cushioning dunnage product, said support having generally fixed coupling means thereon, and a separate mobile cart having generally fixed coupling means thereon coacting with the first mentioned coupling means, for physically connecting said cart to said mechanism, the first and second mentioned coupling means being connectable and separable by generally aligned horizontal linear movement of said cart and said second mentioned coupling means toward or away from said mechanism and said first mentioned coupling means, said cart having means thereon for rotatably mounting a stock roll of sheet-like stock material thereon for feeding into said mechanism for the production of the pad-like cushioning dunnage product, and whereby said cart is operable for supporting a larger roll of stock material in operative position for use by said mechanism as compared to the size of roll of stock material able to be mounted on said support, means on said mechanism for separating the sheets of stock material as the latter move from the roll on said cart toward said stitching means on said mechanism, and a single transversely extending sheet stock engaging means intermediate said stock roll mounting means on said cart and said separating means about which the sheet-like stock material in multi-ply form is adapted to pass prior to passing to said separating means, said stock engaging means being disposed lower than said coupling means and higher than said roll mounting means on said cart. 2. The combination in accordance with claim 1 wherein said first mentioned coupling means comprises generally linear substantially rigid projections extending laterally of said support, and said coupling means on said cart comprising receptacle structure having recesses receiving therein said projections in the coupled condition of said cart to said mechanism. 3. In a mechanism for producing low density pad-like cushioning dunnage product from sheet-like stock material, such as for instance paper, comprising a support having means thereon adapted for rotatably mounting a multi-ply roll of sheet-like stock material in operative rotatable position on said mechanism and a stitching means downstream from said support and adapted to receive the sheet-like stock material therein and operable to connect the same into a pad-like cushioning dunnage product, said support having generally fixed coupling means thereon, and a separate mobile cart having generally fixed coupling means thereon coacting with the first mentioned coupling means, for physically connecting said cart to said mechanism, the first and second mentioned coupling means being connectable and separable by generally aligned horizontal linear movement of said cart and said second mentioned coupling means toward or away from said mechanism and said first mentioned coupling means, said cart having means thereon for rotatably mounting a stock roll of sheet-like stock material thereon for feeding into said mechanism for the production of the pad-like cushioning dunnage product, and whereby said cart is operable for supporting a larger roll of stock material in operative position for use by said mechanism as compared to the size of roll of stock material able to be mounted on said support, and including means on said mechanism for separating the sheets of stock material as the latter move from the roll on said cart toward said mechanism and said stitching means thereof, and sheet stock engaging means intermediate said stock roll mounting means on said cart and said separating means, about which the sheet-like stock material moves prior to passing to said separating means, said support comprising a pair of laterally spaced plate-like members projecting in the direction of said cart, said first mentioned coupling means comprising a rigid generally linear projection mounted on the respective plate-like member and extending generally horizontally outwardly therefrom, said coupling means on said cart comprising receptacle structure having recesses receiving therein in generally snug relation the respective projection, and means for adjusting the position of said plate-like members relative to said mechanism for aiding in alignment of said coupling means. 4. The combination in accordance with claim 3 wherein said mechanism includes crumpler means adapted to receive the sheet-like stock material therein, with said crumpler means having a stock material entry opening and a stock material exit opening spaced from said entry opening, chute means disposed ahead of said crumpler means for causing inward rolling of the lateral edges of the sheet-like stock material into generally rolled-like form prior to entry of the sheet-like stock material into said crumpler means, said chute means including an entrance mouth disposed in generally confronting relation to said separating means, said chute means extending lengthwise between said crumpler means and said separating means for funneling rolled-edge stock material toward said crumpler means, said stitching means coacting with said crumpler means for connecting confronting rolled edges of the stock material together for producing the pad-like dunnage product, said stitching means including means for pulling the sheet-like stock material from the stock roll through said separating means, said chute means, and into said crumpler means, and pusher means extending into said chute means in relatively close proximity with the lower interior wall surface thereof, said pusher means being adapted to cause the sheet-like stock material to generally conform to said chute means as the stock material passes from the stock roll on said cart to said crumpler means. 5. The combination in accordance with claim 4 wherein said sheet stock engaging means is so located on said mechanism and with respect to said coupling means thereon that the sheet stock as it is being pulled from the roll mounted on said cart commences its travel from said stock engaging means toward said separating means at a location disposed so as to not extend substantially lower than a horizontal longitudinal plane passing through the lowermost point of the inner defining surface of said chute means at said entrance mouth. 6. The combination in accordance with claim 4 including cutter means disposed downstream of said crumpler means for cutting the formed pad-like dunnage product into selective lengths. 7. The combination in accordance with claim 1 wherein said cart comprises a base frame having forward and rearward ends and upright members extending upwardly from said base frame adjacent the forward and rearward ends thereof, each of said upright members having a receptacle thereon comprising the second mentioned coupling means and facing outwardly and adapted to receive in a recess therein a fixed generally linear horizontally extending projection on said mechanism when said cart is moved into generally adjacent connected condition with said mechanism, so that said fixed projection enters said recess of the respective receptacle, said projection comprising said first mentioned coupling means, said receptacles on said forward and said rearward ends providing for coupling of said cart to said mechanism from either end of said cart. 8. In a mechanism for producing low density pad-like cushioning dunnage product from sheet-like stock material, such as for instance paper, comprising a support having means thereon adapted for rotatably mounting a multi-ply roll of sheet-like stock material in operative rotatable position on said mechanism and a stitching means downstream from said support and adapted to receive the sheet-like stock material therein and operable to connect the same into a pad-like cushioning dunnage product, said support having generally fixed coupling means thereon, and a separate mobile cart having generally fixed coupling means thereon coacting with the first mentioned coupling means, for physically connecting said cart to said mechanism, the first and second mentioned coupling means being connectable and separable by generally aligned horizontal linear movement of said cart and said second mentioned coupling means toward or away from said mechanism and said first mentioned coupling means, said cart having means thereon for rotatably mounting a stock roll of sheet-like stock material thereon for feeding into said mechanism for the production of the pad-like cushioning dunnage product, and whereby said cart is operable for supporting a larger roll of stock material in operative position for use by said mechanism as compared to the size of roll of stock material able to be mounted on said support, said cart comprising a base frame having forward and rearward ends and upright members extending upwardly from said base frame adjacent the forward and rearward ends thereof, each of said upright members having a receptacle thereon comprising the second mentioned coupling means and facing outwardly and adapted to receive in a recess therein a fixed generally linear horizontally extending projection on said mechanism when said cart is moved into generally adjacent connected condition with said mechanism, so that said fixed projection enters said recess of the respective receptacle, said projection comprising said first mentioned coupling means, said receptacles on said forward and said rearward ends providing for coupling of said cart to said mechanism from either end of said cart, and wherein said upright members have connecting members extending therebetween, and means comprising said stock roll mounting means on said cart mounted on said connecting members for rotatably mounting a stock roll of sheet material thereon, sheet stock engaging means on said cart about which the sheet-like stock material is adapted to move prior to passing to said mechanism, said sheet stock engaging means comprising a generally rigid bar disposed on said uprights and extending transversely therebetween at both said forward and said rearward ends, said bar at each of said ends being disposed below said coupling means and higher than said roll mounting means on said cart. 9. In a mechanism for producing low density pad-like cushioning dunnage product from sheet-like stock material, such as for instance paper, comprising a support having means thereon adapted for rotatably mounting a multi-ply roll of sheet-like stock material in operative rotatable position on said mechanism and a stitching means downstream from said support and adapted to receive the sheet-like stock material therein and operable to connect the same into a pad-like cushioning dunnage product, said support having generally fixed coupling means thereon, and a separate mobile cart having generally fixed coupling means thereon coacting with the first mentioned coupling means for physically connecting said cart to said mechanism, the first and second mentioned coupling means being connectable and separable by generally aligned horizontal linear movement of said cart and said second mentioned coupling means toward or away from said mechanism and said first mentioned coupling means, said cart having means thereon for rotatably mounting a stock roll of sheet-like stock material thereon for feeding into said mechanism for the production of the pad-like cushioning dunnage product, and whereby said cart is operable for supporting a larger roll of stock material in operative position for use by said mechanism as compared to the size of roll of stock material able to be mounted on said support, and wherein said cart has forward and rearward ends, and adjacent each end thereof includes transversely extending bar means providing a handle for moving said cart, by a workman, said bar means also providing sheet stock engaging means and being adapted to slidingly engage with the sheet stock material from the stock roll prior to its movement into said mechanism, said second mentioned coupling means being located on both ends of said cart and providing for said connecting of said cart to said mechanism from either end of said cart, said bar means being disposed lower than said coupling means and higher than said roll mounting means on said cart. 10. The combination in accordance with claim 9 wherein said cart is fabricated with the parts being formed from conventional metal tubular stock and welded together. 11. In a mechanism for producing low density pad-like cushioning dunnage product from sheet-like stock material, such as for instance paper, comprising a support having means thereon adapted for rotatably mounting a multi-ply roll of sheet-like stock material in operative rotatable position on said mechanism and a stitching means downstream from said support and adapted to receive the sheet-like stock material therein and operable to connect the same into a pad-like cushioning dunnage product, said support having generally fixed coupling means thereon, and a separate mobile cart having generally fixed coupling means thereon coacting with the first mentioned coupling means, for physically connecting said cart to said mechanism, the first and second mentioned coupling means being connectable and separable by generally aligned horizontal linear movement of said cart and said second mentioned coupling means toward or away from said mechanism and said first mentioned coupling means, said cart having means thereon for rotatably mounting a stock roll of sheet-like stock material thereon for feeding into said mechanism for the production of the pad-like cushioning dunnage product, and whereby said cart is operable for supporting a larger roll of stock material in operative position for use by said mechanism as compared to the size of roll of stock material able to be mounted on said support, and wherein said first mentioned coupling means comprises generally linear substantially rigid projections extending laterally of said support, and said coupling means on said cart comprising receptacle structure having recesses receiving therein said projections in the coupled condition of said cart to said mechanism, and wherein said mechanism comprises a frame, said support comprising a pair of generally vertically oriented laterally spaced plate-like members mounted in cantilevered relation to said frame adjacent the entranceway to said mechanism, each of said plate-like members having one of said projections mounted thereon and extending therefrom in the direction of said cart, and means on each of said plate-like members for adjusting the position of said projections in a direction transversely of said mechanism for aiding in alignment of said projections with the respective recesses in said receptacle structure of said cart. 12. In a mechanism for producing low density pad-like cushioning dunnage product from sheet-like stock material, such as for instance paper, in multi-ply roll form, said mechanism comprising a frame, a stitching means on said frame adapted to receive the sheet-like stock material therein and operable to connect the same into a pad-like cushioning dunnage product, a longitudinally converging chute means mounted on said frame upstream from said stitching means and including a widened entrance mouth portion, and operable for causing inward rolling of the lateral edges of the sheet-like stock material into generally rolled-like form prior to entry of the sheet-like stock material into said stitching means, said mechanism including fixed coupling means thereon projecting laterally of said mouth portion, and a separate mobile cart having forward and rearward ends and having fixed coupling means thereon at said forward end coacting with the first mentioned coupling means, for physically connecting said cart to said mechanism, said first mentioned couppling means projecting laterally of said mouth portion in the direction of said cart, and the first and second mentioned coupling means being connectable and separable solely by generally aligned horizontal linear movement of said cart and said second mentioned coupling means toward or away from said mechanism and said first mentioned coupling means, said cart having means thereon for rotatably mounting a stock roll of multi-ply sheet-like stock material thereon for feeding into said mechanism for the production of the pad-like cushioning dunnage product, separating means on said mechanism upstream from said mouth portion for separating the sheets of stock material as the latter move from the roll on said cart toward said mechanism and said mouth portion, and a single means extending tranverse relative to said mechanism and said cart and coacting with said roll mounting means, about which the sheet-like stock material from the roll on said cart is adapted to pass in multi-ply form prior to passing into said separating means whereby the location in said mechanism of commencement of entry of the sheet-like stock material toward said separating means remains constant irrespective of the diameter of the stock roll, said transverse extending means being disposed lower than said first and said second mentioned coupling means and higher than said roll mounting means on said cart and said separating means on said mechanism, said stitching means being operable to pull the sheet-like stock material from the stock roll about said transverse extending means, and then through said separating means and said chute means.