The basic gun was a .44 Colt Model 1860 Army, serial number 3803, and it was extensively altered to the M&H system. Unlike the Webley-Fosbery and the Lefever/Union, the M&H did not accomplish its “self-cocking” with a moving top unit. Instead, it used a fairly heavy wind-up clock-type spring. The spring powered a deeply notched ratchet inside the hammer that the inventors called the “escape-wheel.” Engaging that, and attached to the hammer, a “hammer-dog” performed the function of a sear.

In “automatic” firing, the M&H revolver worked in the following manner: When the trigger was pulled, a rear extension moved a lever that disengaged the hammer-dog from its notch in the escape wheel. The hammer fell, striking a percussion cap and firing the first shot. At the same time, a lug at the rear of the trigger entered one of the recesses on the escape-wheel, blocking its rotation

https://www.americanrifleman.org/content/mershon-hollingswor...

W kluczu udarowym, "hammer dog" jest kowadłem. Strona 7.
https://hoegert.com/wp-content/uploads/2021/09/HT4R621_KLUCZ...



SEAR The catch in a gunlock that keeps the hammer halfcocked or fully cocked.
https://www.thefreedictionary.com/sear#:~:text=1.,See Synony...

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Note added at 3 hrs (2022-11-03 14:37:01 GMT)
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Inna nazwa: zaczep spustowy