All Front Openers listed are double action, automatically open and close.
- All Knives are Fully Automatic
- All Knives are Fully Automatic
| Copyright © 2008 Devco Ent/Tinys All rights reserved. |
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8" Black-L/Double Edged Blade Front Opening Switchblade... $73.00
8" Black-L/Kris Blade Front Opening Switchblade... $74.25
7" Black-L/Kris Blade Front Opening Switchblade... $56.00
8½" Black/Kris Blade Front Opening Switchblade... $74.25
7" Black/Kris Blade Front Opening Switchblade... $48.00
8" Concord Leopard/Double Edged Blade Front Opening Switchblade... $92.00
8" Concord Silver/Double Edged Blade Front Opening Switchblade... $67.75
8" Concord Black/Double Edged Blade Front Opening Switchblade... $67.75
8" Concord Dark Gray/Double Edged Blade Front Opening Switchblade... $67.75
8" Concord Dark Gray/Kris Blade Front Opening Switchblade... $70.50
7" Black/Double Edged Blade Front Opening Switchblade... $47.00
8½" Black/Double Edged Blade Front Opening Switchblade... $72.00
7" Black-L/Double Edged Blade Front Opening Switchblade... $54.25
8" Striped Black/Double Edged Blade Front Opening Switchblade... $69.00
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8½" Black/Kris Blade Front Opening Switchblade... $82.00
How does the front opening mechanism work?
The button is not really a button, but rather a slide bar with about 1/2" of travel. Logically when you slide forward the knife opens, and
backwards vice versa. When you do this you notice that it takes some force to make the movement, and the further you move the more
resistance - just like tensioning a spring. At the end of the stroke, the blade moves suddenly in one direction or the other and all the
resistance goes away. This has a tendency to make you operate the slide bar with a "snapping" motion.
Now what happens inside is complicated in terms of timing and ingenuity, but simple in terms of the number of moving parts. There is
one (not two) spiral springs, actually a coil spring like on a old fashioned screen door. When you move the slide bar you pull the spring
which is then attached to one end of the blade. You are applying pressure which wants to move the blade, but can't since it is locked.
When you have applied all the need force (near the end of the travel) several things happen very rapidly.
-The blade is unlocked
-The blade moves a short distance under spring tension - but mostly operates under inertia
-The blade reaches the end of its travel, which locks it again and attaches the spring to the opposite end for the reverse process.
Now how do they do all this? The spring has a hook on each end, which catches over the heel of the blade or in a little recess near the
heel. The mere position of the blade determines which hook is in use. The spring runs parallel to the blade in a little metal tray with a
protrusion at each end. There are two leaf springs, one to lock open, one to lock closed, at opposite ends of the knife. One of these is
under no tension, the other is tensioned and holding the blade. When you push the slide bar, at the last instant, the appropriate
protrusion "opens" the tensioned lock. When the blade completes its travel, it tensions and locks the other spring.
The button is not really a button, but rather a slide bar with about 1/2" of travel. Logically when you slide forward the knife opens, and
backwards vice versa. When you do this you notice that it takes some force to make the movement, and the further you move the more
resistance - just like tensioning a spring. At the end of the stroke, the blade moves suddenly in one direction or the other and all the
resistance goes away. This has a tendency to make you operate the slide bar with a "snapping" motion.
Now what happens inside is complicated in terms of timing and ingenuity, but simple in terms of the number of moving parts. There is
one (not two) spiral springs, actually a coil spring like on a old fashioned screen door. When you move the slide bar you pull the spring
which is then attached to one end of the blade. You are applying pressure which wants to move the blade, but can't since it is locked.
When you have applied all the need force (near the end of the travel) several things happen very rapidly.
-The blade is unlocked
-The blade moves a short distance under spring tension - but mostly operates under inertia
-The blade reaches the end of its travel, which locks it again and attaches the spring to the opposite end for the reverse process.
Now how do they do all this? The spring has a hook on each end, which catches over the heel of the blade or in a little recess near the
heel. The mere position of the blade determines which hook is in use. The spring runs parallel to the blade in a little metal tray with a
protrusion at each end. There are two leaf springs, one to lock open, one to lock closed, at opposite ends of the knife. One of these is
under no tension, the other is tensioned and holding the blade. When you push the slide bar, at the last instant, the appropriate
protrusion "opens" the tensioned lock. When the blade completes its travel, it tensions and locks the other spring.
Fully Automatic Double Action Knife
Enameled Black handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8½";
Blade Length: 3½";
Closed Length: 5";
Weight: 7.05oz.
Enameled Black handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8½";
Blade Length: 3½";
Closed Length: 5";
Weight: 7.05oz.
Fully Automatic Double Action Knife
Enameled Black handle;
Polished Kris blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8½";
Blade Length: 3½";
Closed Length: 5";
Weight: 7.05oz.
Enameled Black handle;
Polished Kris blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8½";
Blade Length: 3½";
Closed Length: 5";
Weight: 7.05oz.
Fully Automatic Double Action Knife
Enameled Black-L (Chrome) handle;
Polished Kris blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8½";
Blade Length: 3½";
Closed Length: 5";
Weight: 7.05oz.
Enameled Black-L (Chrome) handle;
Polished Kris blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8½";
Blade Length: 3½";
Closed Length: 5";
Weight: 7.05oz.
Fully Automatic Double Action Knife
Enameled Black-L (Chrome) handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 7"/8";
Blade Length: 2¾"/3¼";
Closed Length: 4¼"/4¾";
Weight: 4.41oz./5.11oz.
Enameled Black-L (Chrome) handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 7"/8";
Blade Length: 2¾"/3¼";
Closed Length: 4¼"/4¾";
Weight: 4.41oz./5.11oz.
Fully Automatic Double Action Knife
Enameled Black-L (Chrome) handle;
Polished Kris blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 7"/8";
Blade Length: 2¾"/3¼";
Closed Length: 4¼"/4¾";
Weight: 4.41oz./5.11oz.
Enameled Black-L (Chrome) handle;
Polished Kris blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 7"/8";
Blade Length: 2¾"/3¼";
Closed Length: 4¼"/4¾";
Weight: 4.41oz./5.11oz.
Fully Automatic Double Action Knife
Enameled Black handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 7"/8";
Blade Length: 2¾"/3¼";
Closed Length: 4¼"/4¾";
Weight: 4.41oz./5.11oz.
Enameled Black handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 7"/8";
Blade Length: 2¾"/3¼";
Closed Length: 4¼"/4¾";
Weight: 4.41oz./5.11oz.
Fully Automatic Double Action Knife
Enameled Black handle;
Polished Kris blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 7";
Blade Length: 2¾";
Closed Length: 4¼";
Weight: 4.41oz.
Enameled Black handle;
Polished Kris blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 7";
Blade Length: 2¾";
Closed Length: 4¼";
Weight: 4.41oz.
Fully Automatic Double Action Knife
Leopard handle;
Double Edge Teflon Coated blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 4.94oz.
Leopard handle;
Double Edge Teflon Coated blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 4.94oz.
Fully Automatic Double Action Knife
Silver handle;
Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 4.94oz.
Silver handle;
Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 4.94oz.
Fully Automatic Double Action Knife
Enameled Black handle;
Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 4.94oz.
Enameled Black handle;
Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 4.94oz.
Fully Automatic Double Action Knife
Enameled Dark Gray handle;
Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 4.94oz.
Enameled Dark Gray handle;
Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 4.94oz.
Fully Automatic Double Action Knife
Enameled Dark Gray handle;
Kris blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 4.94oz.
Enameled Dark Gray handle;
Kris blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 4.94oz.
Fully Automatic Double Action Knife
Enameled Black handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 5.82oz.
Enameled Black handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 5.82oz.
8½" Black-L/Double Edged Blade Front Opening Switchblade... $85.00
Fully Automatic Double Action Knife
Enameled Black-L (Chrome) handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8½";
Blade Length: 3½";
Closed Length: 5";
Weight: 7.05oz.
Enameled Black-L (Chrome) handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8½";
Blade Length: 3½";
Closed Length: 5";
Weight: 7.05oz.
8½" Black-L/Serrated Blade Front Opening Switchblade... $81.75
Fully Automatic Double Action Knife
Enameled Black-L (Chrome) handle;
Polished Serrated blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8½";
Blade Length: 3½";
Closed Length: 5";
Weight: 7.05oz.
Enameled Black-L (Chrome) handle;
Polished Serrated blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8½";
Blade Length: 3½";
Closed Length: 5";
Weight: 7.05oz.
7" Black-L/Standard Blade Front Opening Switchblade... $49.50
Fully Automatic Double Action Knife
Enameled Black-L (Chrome) handle;
Polished Standard blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 7";
Blade Length: 2¾";
Closed Length: 4¼";
Weight: 4.41oz.
Enameled Black-L (Chrome) handle;
Polished Standard blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 7";
Blade Length: 2¾";
Closed Length: 4¼";
Weight: 4.41oz.
8" Black/Double Edged Blade Front Opening Switchblade... $59.75
8" Striped Dark Gray/Double Edged Blade Front Opening Switchblade... $69.00
Fully Automatic Double Action Knife
Enameled Dark Gray handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 5.82oz.
Enameled Dark Gray handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 5.82oz.
Fully Automatic Double Action Knife
Enameled Black handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 7"/8";
Blade Length: 2¾"/3¼";
Closed Length: 4¼"/4¾";
Weight: 4.41oz./5.11oz.
Enameled Black handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 7"/8";
Blade Length: 2¾"/3¼";
Closed Length: 4¼"/4¾";
Weight: 4.41oz./5.11oz.
8" Green/Double Edged Blade Front Opening Switchblade... $59.75
6" Mignon Black/Standard Blade Front Opening Switchblade... $39.50
Fully Automatic Double Action Knife
Enameled Black handle;
Polished Standard blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 6";
Blade Length: 2¼";
Closed Length: 3¾";
Weight: 3.70oz.
Enameled Black handle;
Polished Standard blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 6";
Blade Length: 2¼";
Closed Length: 3¾";
Weight: 3.70oz.
6" Mignon Red/Standard Blade Front Opening Switchblade... $39.50
Fully Automatic Double Action Knife
Enameled Red handle;
Polished Standard blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 6";
Blade Length: 2¼";
Closed Length: 3¾";
Weight: 3.70oz.
Enameled Red handle;
Polished Standard blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 6";
Blade Length: 2¼";
Closed Length: 3¾";
Weight: 3.70oz.
7" Green/Double Edged Blade Front Opening Switchblade... $47.00
8" Flat Green/Double Edged Blade Front Opening Switchblade... $63.75
Fully Automatic Double Action Knife
Enameled Green handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 5.64oz.
Enameled Green handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 5.64oz.
8" Flat Silver/Double Edged Blade Front Opening Switchblade... $63.75
Fully Automatic Double Action Knife
Enameled Silver handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 5.64oz.
Enameled Silver handle;
Polished Double Edge blade;
SS AISI 420 (58/59 HRC) blade steel
Overall Length: 8";
Blade Length: 3¼";
Closed Length: 4¾";
Weight: 5.64oz.
