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US 2022/0065581 A1Published application
Two piston ejection device
OwnerAndreas Zournatzisinventor
Life of this patent
Estimating the term…
Abstract
The invention refers to a new ejection order of spears or arrows which functions with compressed air and can be applied to spearguns and crossbows as well. Two piston ejection device which consists of two air chambers (A) and (B). These air chambers are connected so that they can exchange gases. Air chamber's (B) external hole is open. The characteristic is that pistons (1) and (2) move in air chambers (A) and (B). Pistons (1) and (2) are also connected with the rope (3).
Claims8
An ejection device comprising:
- a air chamber (A) and a air chamber (B) which are connected to each other so as to exchange air,
- a piston (1) and a piston (2) which moving in said air chambers (A) and (B),
- a rope (3) connecting to said piston (1) and piston (2).
Dependencies are inferred from the claim text.