Sep 23, 2025

US12422216 - Techniques for determining a grip layout to improve gun ergonomics

The present disclosure provides systems and techniques for determining a grip layout for a gun. The techniques include obtaining an image depicting a hand, obtaining calibration data associated with the image, calculating a real distance between a first landmark of the hand and a second landmark of the hand, and determining a grip layout for the gun based on the real distance between the first landmark and the second landmark. Calibration data may include a scale for the image or data that may be used to derive the scale, such as an object of known dimensions, an angular field of view, or a distance between the device used to capture the image and the hand. The grip layout may include a backstrap size, a sensor size, a sensor location on the gun, or any combination thereof.

Assignee: Biofire Technologies Inc.
Inventors: Bryan Edward Rogers, Jules Woolf Kramer, Benjamin William Dwyer, Shayna Rochelle-Ann Thomson, William Ward, Kai Thorin Kloepfer
Filing date: 2024-07-19

firearmergonomicsgrip

The patent describes a method for determining an ergonomic grip layout for a gun by analyzing an image of a hand and using calibration data to calculate real distances between landmarks on the hand. This process allows for the selection of appropriate backstrap sizes and sensor locations on the firearm to enhance user comfort and functionality.

Claim 1

A method of determining a grip layout for a gun, the method comprising: obtaining (i) an image depicting a hand and (ii) metadata associated with the image, wherein the metadata indicates a distance between a device used to capture the image and the hand depicted in the image at a point in time at which the image was captured; calculating, based on the distance between the device and the hand, a real distance between a first landmark of the hand and a second landmark of the hand; determining that the real distance between the first landmark and the second landmark satisfies a size threshold; selecting a backstrap size for the gun based on the real distance between the first landmark and the second landmark satisfying the size threshold; selecting, based on the real distance between the first landmark and the second landmark satisfying the size threshold, a location on the gun for a fingerprint sensor; and manufacturing the gun with the selected backstrap size and the fingerprint sensor in the selected location. obtaining (i) an image depicting a hand and (ii) metadata associated with the image, wherein the metadata indicates a distance between a device used to capture the image and the hand depicted in the image at a point in time at which the image was captured; calculating, based on the distance between the device and the hand, a real distance between a first landmark of the hand and a second landmark of the hand; determining that the real distance between the first landmark and the second landmark satisfies a size threshold; selecting a backstrap size for the gun based on the real distance between the first landmark and the second landmark satisfying the size threshold; selecting, based on the real distance between the first landmark and the second landmark satisfying the size threshold, a location on the gun for a fingerprint sensor; and manufacturing the gun with the selected backstrap size and the fingerprint sensor in the selected location.

Google Patents

https://patents.google.com/patent/US12422216

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12422216