SANAT
GÜZELLİK & SAĞLIK
ZANAAT
KÜLTÜR & TARİH
EĞLENCE
ÇEVRE
YİYECEK & İÇECEK
TERS MÜHENDİSLİK
BİLİMLER
SPOR
TEKNOLOJİ
GİYİLEBİLİR ÜRÜNLER
The Lid-Lifting Can Opener: One Lip Presses Down While the Other Lifts
A fruit can's tin cover, pressed onto a rubber ring, can stick so hard that prising it off hurts the fingers.
O. J. Livermore of Worcester, Massachusetts, received US 55,878, dated 26 June 1866, for a can opener for "Lyman's patent can": a handle, a part that passes over the cover with an inclined lip below it, and a curved piece whose angular edge goes under the cover's far side; raising the handle presses one side down and lifts the other.
This rung compares the force holding a vacuum-sealed lid with what the lever gives, then bends the opener from flat bar and lifts a sealed jar lid with it.
Başlangıç
About 2 hours
Talimatlar
1
1
Holding force against lever force
Holding force against lever force
Jupyter defteri yükleniyor…
2
2
A sealed jar before it
A sealed jar before it
The embedded blueprint seals food in a screw-top jar. Livermore's lever lifts a pressed-on cover of the same kind without fingernails.
3
3
Read US 55,878
Read US 55,878
"In trying to remove the cover under such circumstances persons without proper conveniences at hand for the purpose often injure their fingers and nails."
"Handle B is now raised, which causes the inclined lip D to force the cover down and toward the can on that side, while the angular lip a elevates the other side of the cover, as shown in red lines."
4
4
Bend the head
Bend the head
Cut 220 mm of 25 × 3 mm flat bar. Bend the last 15 mm down at about 60° in the vice for the inclined lip, 30 mm from it bend the bar level again: the part over the cover.
Bu adım için malzemeler:
Yumuşak Çelik Lama1 adetGerekli aletler:
Demir Testeresi
Tezgah Mengenesi
Çekiç
Cetvel
Silinmez Kalem
Deri İş Eldiveni5
5
Add the lifting piece
Add the lifting piece
Cut 60 mm of the bar, curve it on the anvil, and file one end to a sharp angular edge. Drill both pieces and screw the curved one under the bar, its edge 70 mm from the lip.
Bu adım için malzemeler:
Yumuşak Çelik Lama1 adet
Makine vidaları1 adet
Altıgen Somun1 adetGerekli aletler:
Demir Testeresi
ÖrsÇekiç
Eğeler (El Eğesi)
Nokta Zımbası
Kablosuz Matkap
Matkap Ucu Takımı
Kurbağacık anahtar
Şeffaf Koruyucu Gözlük6
6
The patent drawing
The patent drawing
US 55,878 drawing sheet, public domain (expired patent).
7
7
Seal a jar and lift its lid
Seal a jar and lift its lid
Fill a Mason jar with water from the kettle at the boil, put on a new flat lid, screw the band on and let it cool for two hours so the lid pulls down. Then remove the band. Try to lift the lid with the force meter's hook under its edge; note the force. Then set the opener on it and lift with the meter on the handle's end.
Bu adım için malzemeler:
Konserve kavanozları (Mason)1 adet
Su1 adetGerekli aletler:
Ocak çaydanlığı
Kuvvet Ölçer (Yaylı Terazi)
Isıya Dayanıklı Eldiven8
8
An opener that slips, bends or scratches
An opener that slips, bends or scratches
Lid-lifting can opener troubleshooting.
Flow
Loading...
9
9
History and honest limits
History and honest limits
**O. J. Livermore** of Worcester, Massachusetts, assignor to himself and Clark, Sawyer & Co., received US 55,878, dated 26 June 1866. Lyman's cover fits over a rubber packing ring in a groove on the can; a groove lets a pin admit air, but the cover often adheres by corrosion and other causes. His opener works even before the air is admitted, though more easily after.
**Honest limits.** A cooled Mason jar stands in for Lyman's can, and two screwed pieces for his one-piece tool. Your forces are the result.
Malzemeler
5- 1 adetYer Tutucu
- 1 adetYer Tutucu
- 1 adetYer Tutucu
- Yer Tutucu
- 1 adetYer Tutucu
Gerekli Aletler
16- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- 1 vendor sell this, none ship to you yetYer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
İlgili Blueprint'ler
Bu blueprint'ler bilgi paylaşır — teknikler, malzemeler veya ilkeler
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.