Patent ID: 11965709
Assignee: VANTAC TECHNOLOGIES LLC
Field: Other special machines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 19:
20. The system of claim 12, further comprising:
a stock slideably mountable to or slideably mounted to the structure and configured to move between a collapsed position and an extended position;
a pin disposed in the stock and biased in a direction that is radially inward to the structure such that the pin is biased to a locked position where the pin is inserted into one of the one or more pin holes preventing the stock from sliding relative to the structure, and an unlocked position where the pin is outside of the one or more pin holes and configured to slide with the stock such that the stock is allowed to slide relative to the structure; and
one or more stock springs disposed between the structure and the stock and configured to bias a the stock to the extended position.