PA-001 Rear-load rolling lane for sealed food cans

Keep the earlier sealed cans at the accessible end while new cans are loaded behind them, without moving home-canning jars.

Original bounded component build. Dimensions describe this example, not an approved structural, occupied-building or universal fit design. Unbuilt / untested. US customary dimensions control.

Before cutting

Materials and actual cuts

PartQuantityActual dimensionsMaterial / special cut
A Base16 1/2 in x 25 1/2 in x 1/2 in
165.1 x 647.7 x 12.7 mm		Sound untreated hardwood or exterior-bond plywood, actual measured thickness; reject split/warped stock Square ends; remove all splinters and burrs.
B Side wall225 1/2 in x 6 in x 1/2 in
647.7 x 152.4 x 12.7 mm		Sound untreated hardwood or exterior-bond plywood, actual measured thickness; reject split/warped stock Square ends; remove all splinters and burrs.
C Ramp support224 in x 2 in x 1/2 in
609.6 x 50.8 x 12.7 mm		Sound untreated hardwood or exterior-bond plywood, actual measured thickness; reject split/warped stock One retained triangular support from each 24 x 2 in blank; top rises 2 in over 24 in horizontal run.
D Cold-contact ramp liner15 1/2 in x 24 1/8 in x 1/4 in
139.7 x 612.775 x 6.35 mm		Supplier-declared food-contact HDPE sheet, cold use only; no antimicrobial or certification claim for the finished build Square ends; remove all splinters and burrs.
E Front stop15 1/2 in x 2 in x 1/2 in
139.7 x 50.8 x 12.7 mm		Sound untreated hardwood or exterior-bond plywood, actual measured thickness; reject split/warped stock Square ends; remove all splinters and burrs.
F Rear stop15 1/2 in x 2 in x 1/2 in
139.7 x 50.8 x 12.7 mm		Sound untreated hardwood or exterior-bond plywood, actual measured thickness; reject split/warped stock Square ends; remove all splinters and burrs.

Hardware and tools

Tape, square, pencil; clamped saw setup appropriate to the material; drill/driver and depth stop; countersink for wood fasteners; files/sanding block; clamps. Specific additional tools are noted in the steps.

Measured assembly reference

x=left/right, y=front/rear, z=up; origin is front-left underside unless stated

Retained segments with the same part/instance belong to one machined stock piece, not additional parts. Positions and sizes below are US inches; rotations are degrees.

Part / instanceOrigin x,y,zSize / rotation
A / 1[0, 0, 0][6.5, 25.5, 0.5] / [0, 0, 0]
B / 1[0, 0, 0.5][0.5, 25.5, 6] / [0, 0, 0]
B / 2[6, 0, 0.5][0.5, 25.5, 6] / [0, 0, 0]
C / 1[0.5, 0.625, 0.5][0.5, 24, 2] / [0, 0, 0]
C / 2[5.5, 0.625, 0.5][0.5, 24, 2] / [0, 0, 0]
D / 1[0.5, 0.625, 0.5][5.5, 24.125, 0.25] / [4.763641690726177, 0, 0]
E / 1[0.5, 0, 0.5][5.5, 0.5, 2] / [0, 0, 0]
F / 1[0.5, 25, 2.5][5.5, 0.5, 2] / [0, 0, 0]

Numbered assembly

  1. Use only intact cylindrical commercial cans that match the example: no more than 3 in diameter and 4 1/2 in axial length. This lane is not for glass jars, dented cans or hot goods.
  2. Cut A 6 1/2 x 25 1/2 x 1/2 in; B two 25 1/2 x 6 x 1/2 in; E/F each 5 1/2 x 2 x 1/2 in. Cut two C 24 x 2 x 1/2 in blanks.
  3. Mark C from zero height at its front to 2 in at its rear over 24 in. Cut on the discard side of that line so each retained wedge has the full marked top slope.
  4. Stand B on A at x 0-1/2 in and 6-6 1/2 in. Pilot four holes per side from under A at y 1,8,17,24 in; use #8 x 1 1/4 in screws into the side bottoms.
  5. Position C inside the walls at x 1/2-1 in and 5 1/2-6 in,y 5/8-24 5/8 in. Their zero-height ends face the front; clamp both slopes alike.
  6. Fasten C through adjacent B with three #8 x 3/4 in screws each at(y,z)=(8,3/4),(16,1 1/8),(23,1 1/2)in. Every point stays inside the 1/2 in wedge thickness.
  7. Cut D 5 1/2 x 24 1/8 x 1/4 in from specified HDPE and place loose on C, starting y 5/8 in,z 1/2 in. Support angle is 4.7636 degrees; theoretical rear projection beyond C is about 0.042 in. Confirm the actual dry fit.
  8. Install E at y 0-1/2 in,z 1/2-2 1/2 in between B. Use two #8 x 1 in screws through each B into E ends at z 1 and 2 in, centered on its 1/2 in thickness.
  9. Install F at y 25-25 1/2 in,z 2 1/2-4 1/2 in using four #8 x 1 in screws at z 3 and 4 in on the same end-centerline method. Cans load from above at the rear.
  10. Remove D and verify it has no trapped swarf, then reinstall. Test one empty undamaged matching can first, controlling it by hand so it cannot strike the front stop hard.
  11. Test a second matching sealed can at the rear while holding the front one. Confirm it rolls gently, stays side-on and can be lifted over E without scraping its seam.
  12. Use only on a low stable shelf with open top access. Add cans at the rear, remove at the front and inspect each can; stop if any can jams, falls or is dented. No storage capacity is certified.

Checks

Use and maintenance

Not a shelf-life extension method, seismic restraint or powered dispenser.

Reject bulging, leaking, rusty or badly dented containers according to food-safety guidance; the rack cannot establish food safety.

Inspect before each use for loose fasteners, cracked stock, damaged liners and a change in fit. Stop if a moving part binds or any sharp edge is exposed.

Remove debris before washing. Keep birds and food away during cleaning; follow the actual material/product cleaning instructions and dry completely before reuse.

Recheck screw seating after humidity changes. Replace damaged parts rather than hiding cracks with coating. No pressure, load, impact, disease-control or preservation performance is certified.

Matching assembly orientation and overall envelope Part cut dimensions plate1 Dimensioned retained cut profile for partC

Primary context

Purdue University Extension: Wood drying: FNR-37 Source

Utah State University Extension: Food Storage in Home Source

King Plastic Corporation: Food Service sheet materials Source