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 butterfly knife (balisong) 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]

References

^ ^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.

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Other knives	Aircrew Survival Egress Knife Athame Balisong/Butterfly Ballistic Ballpoint pen knife Bayonet Boline Bolo Boot knife Bowie Cane knife Ceramic knife Clip point Combat knife Commander Corvo CQC-6 Deba bōchō Diving knife Drop point Fairbairn–Sykes fighting knife Gerber Mark II Ginsu Golok Gravity knife Guna Hacking knife Higonokami Hunting knife Husa knife Ivan's Knife Jacob's ladder Karambit Kard Kirpan Kitchen knife Kukri Laguiole knife Machete Mandau Marking knife Misericorde Mora knife Multi-tool Navaja Neck knife Nontron knife Opinel knife Palette knife Pantographic knife Parang Penknife Penny knife Pesh-kabz Pirah Pocketknife Phurba Putty knife Puukko Rampuri Resolza Sabatier Sami knife SARK Scalpel Seax Sgian dubh Sharpfinger Sheath knife Shiv Sliding knife Smatchet SOG Knife Straight razor Strider SMF Survival knife Swiss Army knife Switchblade Taping knife Throwing knife Trench knife Tumi Ulu Utility knife Verlängerungsmesser Warrior knife Wedung X-Acto Yarara Parachute Knife Yatagan
Daggers	Anelace Applegate–Fairbairn fighting knife Arkansas toothpick BC-41 Bagh nakh Balarao Baselard Bichuwa Bollock dagger Cinquedea Dha Dirk Ear dagger Emeici Facón French Nail Gunong Hunting dagger Jambiya Jile Kabutowari Kaiken Kalis Katar Khanjali Khanjar Kris Kunai Liaoning dagger Mark I trench knife Microtech Jagdkommando Parrying dagger Poignard Pugio Push dagger Rondel dagger Seme Shobo Sica Stiletto Tantō U.S. Marine Raider stiletto V-42 Yoroi-dōshi
Manufacturers	Aitor Knife Company Al Mar Knives American Tomahawk Company Aritsugu Benchmade Böker Buck Knives Camillus Cutlery Company Cattaraugus Cutlery Company Chris Reeve Knives Chroma Cnife Clauss Cutlery Company Cobray Company Cold Steel Columbia River Knife & Tool Cuisinart Cutco Dalian Hanwei Metal Dexter-Russell Ek Commando Knife Co. EKA Emerson Knives F. Dick Fällkniven FAMAE Fiskars Gerber Legendary Blades Füritechnics Glock Ges.m.b.H. Imperial Schrade Ivan's Ka-Bar Kershaw Knives KitchenAid Korin Japanese Trading Company Kyocera Leatherman Mad Dog Knives Marble Arms Medford Knife and Tool Microtech Knives Morseth Muela Murphy Knives OLFA Ontario Knife Company Opinel Randall Made Knives Ranz Cuchillos Rösle Sabatier Shun Cutlery Slice, Inc. SOG Specialty Knives Spyderco STI Knives Strider Knives Thiers Issard TOPS Knives Tramontina Victorinox W. R. Case & Sons Cutlery Co. Carl Walther GmbH Wenger Western Knife Company Wilkinson Sword Wüsthof Yoshida Metal Industry Global Zero Tolerance Knives Zwilling J. A. Henckels
Knifemakers	Rex Applegate James Black Tom Brown Jr. Blackie Collins John Nelson Cooper Jack W. Crain Ernest Emerson Jerry Fisk Bill Harsey Jr. Phill Hartsfield Gil Hibben Jimmy Lile Bob Loveless 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
Associations	American Bladesmith Society Cutlery and Allied Trades Research Association Knifemakers' Guild
Category:Knives / Daggers