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The Lifting-Cutter Can Opener: A Diagonal Blade Cuts Under and Holds the Disk
Forge

Oluşturan

Forge

6. Ekim 2026NO
16
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The Lifting-Cutter Can Opener: A Diagonal Blade Cuts Under and Holds the Disk

A can opener's knife can slip out of its cut, and the cut disk drops into the can. William L. Hubbell of Brooklyn, New York, received US 69,996, dated 22 October 1867, for a can opener made of a lever with a screw spike that fits any of several holes, to vary the size of the disk, and a cutter set diagonally "so as to cut under and lift up the said disk, and prevent the knife slipping out while in use," holding the disk until it is taken from the can. This rung works out which hole suits which can, then builds the lever, spike and diagonal cutter and opens a can.
Orta
About 3 hours

Talimatlar

1

Spike hole against can size

Jupyter defteri yükleniyor…
2

A turning cutter before it

The embedded blueprint cuts round a can with a wheel and a fixed cutter. Hubbell turns a lever round a spike and inclines the cutter so it lifts what it cuts.
3

Read US 69,996

"The cutter d is set into a recess, formed by grooves, on the edges of the lever a, at the curved part b, so that one edge of the cutter projects below the under side of the lever at an inclination, as shown, so that the cutter is prevented from rising by its being below, and inclining inwards under the edge of the disk that is being cut out by revolving either the can or the opener."
4

Make the lever

Cut 180 mm of 25 × 3 mm flat bar and bend the last 20 mm down at about 40° in the vice. Drill and tap three M5 holes 25, 30 and 35 mm from the bend's foot.

Bu adım için malzemeler:

Yumuşak Çelik LamaYumuşak Çelik Lama1 adet

Gerekli aletler:

Demir TesteresiDemir Testeresi
Tezgah MengenesiTezgah Mengenesi
ÇekiçÇekiç
Nokta ZımbasıNokta Zımbası
Kablosuz MatkapKablosuz Matkap
Matkap Ucu TakımıMatkap Ucu Takımı
Kılavuz ve pafta takımıKılavuz ve pafta takımı
CetvelCetvel
5

Slot the bent end

Saw a slot 1 mm wide and 12 mm deep across the bent end at 25° to the bar with the hacksaw.

Gerekli aletler:

Demir TesteresiDemir Testeresi
Tezgah MengenesiTezgah Mengenesi
İğne Eğe Takımıİğne Eğe Takımı
6

Make and set the cutter

Cut a 16 × 18 mm cutter from 1 mm steel sheet and file both short ends to rounded cutting edges. Set it in the slot with epoxy so one end projects 5 mm below the bar, inclined inward.

Bu adım için malzemeler:

Yumuşak Çelik SacYumuşak Çelik Sac1 adet
İki bileşenli epoksiİki bileşenli epoksi1 adet

Gerekli aletler:

Sac makasıSac makası
Eğeler (El Eğesi)Eğeler (El Eğesi)
Bileği taşıBileği taşı
Şeffaf Koruyucu GözlükŞeffaf Koruyucu Gözlük
7

Make the spike

File the end of an M5 screw to a long taper point. Screw it into the hole that suits the can.

Bu adım için malzemeler:

Makine vidalarıMakine vidaları1 adet

Gerekli aletler:

Tezgah MengenesiTezgah Mengenesi
Eğeler (El Eğesi)Eğeler (El Eğesi)
8

The patent drawing

US 69,996 drawing sheet, public domain (expired patent).
Adım 8 - Image 1
9

Open a can and lift the disk

Stand a sealed can on the kitchen scale. Thrust the spike into the top's centre, press the cutter through and turn the lever round; read the peak load and time it. Lift the opener and see whether the disk comes with it.
Adım 9 - Image 1

Bu adım için malzemeler:

Teneke kutuTeneke kutu1 adet

Gerekli aletler:

Dijital Mutfak TerazisiDijital Mutfak Terazisi
KronometreKronometre
Dijital Kumpas 6 İnçDijital Kumpas 6 İnç
Deri İş EldiveniDeri İş Eldiveni
10

A cutter that rides up, slips or drops the disk

Lifting-cutter can opener troubleshooting.

Flow

Loading...
11

History and honest limits

**William L. Hubbell** of Brooklyn, New York, signed his specification on 16 August 1867; US 69,996 is dated 22 October 1867. He wrote that earlier openers with semicircular knives, or tools to perforate and raise the edges, were costly and some were liable to slip. The cutter's edge is rounded outwardly so as not to draw the spike out, and both ends are shaped alike so it can be changed end for end. **Honest limits.** Epoxy in a sawn slot stands in for his grooved recess, and the cutter is unhardened. Your loads and times are the result.

Malzemeler

5

Gerekli Aletler

17

CC0 Kamu Malı

Bu plan CC0 lisansıyla yayınlanmıştır. İzin almadan kopyalayabilir, değiştirebilir, dağıtabilir ve herhangi bir amaçla kullanabilirsiniz.

Planı üzerinden ürün satın alarak Maker'ı destekleyin, böylece Maker Komisyonu Satıcılar tarafından belirlenen komisyonu kazanırlar veya bu Planın yeni bir versiyonunu oluşturun ve gelir paylaşımı için kendi Planınıza bağlantı olarak ekleyin.

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