Jacob's ladder (knife)

The "Jacob's ladder" is a type of pocketknife consisting of two handle segments joined by a pivot, with a blade connected by a second pivot to the end of one handle segment.^[1]

The design presumably takes its name from the multi-jointed wooden toy also known as a Jacob's ladder, which is itself named after the ladder to heaven witnessed by the biblical patriarch Jacob (Genesis 28:12).

Design

It is conceptually similar to the balisong ("butterfly knife") in that it has no mechanical lock or spring pressure, but is kept in the open position during use by the leverage imparted by the user's hand.

History

This type of knife was out of production for decades, but was revived in the 1990s by two manufacturers: Fred Perrin (both made by himself and those outsourced) and Cold Steel.^[1]^[2]

^ ^a ^b Suermondt, Jan (2004). Illustrated Guide to Knives. Grange Books. p. 24. ISBN 978-1-84013-694-4.
^ "Best Tactical Pocket Knife For EDC". outdoorsmagazine.net. Retrieved 2011-11-14.

v t e Knives and daggers
List of daggers List of blade materials
Types of knives	Aircrew Survival Egress Knife Athame Balisong/Butterfly Ballistic Ballpoint pen knife Bayonet Boline Bolo Boning Boot knife Bowie Bread knife Cane knife Cheese knife Chef's knife Cleaver Clip point Combat knife Commander Corvo CQC-6 Deba bōchō Diving knife Drop point Electric knife Fairbairn–Sykes fighting knife Gerber Mark II Ginsu Grapefruit knife Gravity knife Guna Hunting knife Jacob's ladder Karambit Kard Kīla Kirpan Kitchen knife Kukri Laguiole knife Machete Mandau Mezzaluna Misericorde Mora knife Multi-tool Nakiri bōchō Navaja Neck knife Nontron knife Opinel knife Palette knife Pantographic knife Parang Penknife Penny knife Pirah Pocket knife Putty knife Puukko Rampuri Resolza Sabatier Sami knife Santoku SARK Scalpel Seax Sgian dubh Sharpfinger Shiv Sliding knife Smatchet SOG Knife Straight razor Strider SMF Survival knife Swiss Army knife Switchblade Taping knife Throwing knife Tomato knife Trench knife Tsakat Tumi Ulu Utility knife Warrior knife X-Acto Yanagi ba Yatagan
Types of daggers	Anelace Applegate–Fairbairn fighting knife Arkansas toothpick BC-41 Bagh naka Balarao Baselard Bichuwa Bollock dagger Cinquedea Daga Dirk Ear dagger Emeici Facón French Nail Gunong Hachiwara Hunting dagger Janbiya Kaiken Kalis Katar Khanjali Khanjar Kris Kunai Mark I trench knife Ocean Edge Knife Parrying dagger Poignard Qolxad/Jile dagger Push dagger Rondel dagger Seme Shobo Sica Stiletto Tantō Marine Raider stiletto V-42 stiletto Yarará Parachute Knife Yoroidōshi
Knife manufacturers	Aitor Al Mar Knives American Tomahawk Company Bear MCG Benchmade Böker Buck Knives Caber Camillus Cutlery Company Cattaraugus Cutlery Company Chris Reeve Knives Cold Steel Columbia River Knife & Tool Cuisinart Cutco Cutlery DOVO Solingen Dexter-Russell Dirte Knives Eikhorn Ek Commando Knife Co. Emerson Knives Erizo F. Dick Fällkniven FAMAE Fiskars Füritechnics Gerber Legendary Blades Global Golok Hanwei Imperial Schrade J. A. Henckels Ka-Bar Kershaw Knives KitchenAid Korin Japanese Trading Company Kyocera Leatherman Mad Dog Knives MercWorx Microtech Knives Morseth Murphy Knives Ontario Knife Company Opinel Randall Made Knives Ranz Rigid Knives Rösle SOG Specialty Knives Sabatier Aîné & Perrier Shun Cutlery Spyderco Strider Knives Survival Aids TEKNA Thiers Issard Tramontina Victorinox Vox Knives W. R. Case & Sons Cutlery Co. Walther arms Wenger Western Knife Company Wilkinson Sword Windlass Steelcrafts Wüsthof Yarara Ltd Zero Tolerance Knives
Knifemakers	American Bladesmith Society Rex Applegate James Black Blackie Collins John Nelson Cooper Ernest Emerson Jerry Fisk Phill Hartsfield Bill Harsey Jr. Gil Hibben Knifemakers' Guild Zanjan Knifemakers Jimmy Lile Bob Loveless Bob Lum William F. Moran Ken Onion Ralph Osterhout Bo Randall Chris Reeve A. G. Russell Jody Samson William Scagel Mike Snody Robert Terzuola Michael Walker Buster Warenski Daniel Winkler
Book:Knives and daggers Category:Knives / Daggers

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