Toy rifle backlash vibration structure

Details Toy rifle backlash vibration structure Toy rifle backlash vibration structure

2008-10-01

2011-12-13

Fernstrom, Kurt (Department: 3711)

Firearms

Toy

C124S065000, C124S066000, C434S018000

Reexamination Certificate

active

08074392

ABSTRACT:
A toy rifle (air soft rifle, BB-rifle) backlash vibration structure is disclosed formed of a receiver extension, a weight, a reaction spring and a buttcap spacer. The weight has a front extension inserted through the frame of the toy riffle and connected to the rear end of the piston spring at the rear side of the piston so that the component parts of the backlash vibration structure does not touch the piston during movement of the piston. The buttcap spacer is detachably fastened to the rear side of the receiver extension and mounted with an adjustment screw rod that is rotatable relative to the buttcap spacer to adjust the level of the backlash vibration from zero to the maximum.

REFERENCES:
patent: 5261384 (1993-11-01), Hu
patent: 6553707 (2003-04-01), Tseng
patent: 7694448 (2010-04-01), Iwasawa
patent: 7770504 (2010-08-01), Tippmann et al.
patent: 7946283 (2011-05-01), Lee et al.
patent: 7963281 (2011-06-01), Pong
patent: 2002/0170551 (2002-11-01), Kotsiopoulos et al.

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