AtD translation: camming

[Jochen Stremmel]

My dictionaries and the www don't tell me anything about camming or cam
away. When I read it some years ago I understood it probably as a
colloquial form of "deflecting" or "turning away"; to cam out obviously can
mean slipping off with a screwdriver.

Am So., 7. Juli 2019 um 08:48 Uhr schrieb Mike Jing <
gravitys.rainbow.cn at gmail.com>:

> P344.11-21   . . . notably The Phenomenal Dr. Ictibus and His
> Safe-Deflector Hat. This ingenious piece of headgear was invented to
> address the classic urban contingency of a heavy steel safe falling from a
> broken purchase at a high window onto the head of some unlucky pedestrian.
> “Bearing in mind that any concentrated mass is actually a local distortion
> of space itself, there happens to be exactly one surface, defined by a
> metric tensor or let us say equation, registered with the U.S. Patent
> Office, which, incorporated into a suitable hat design, will take the
> impact load of any known safe falling from any current altitude,
> transmitting to the wearer only the most trivial of resultant vectors, a
> brief tap on the head if that, while camming the safe itself harmlessly
> away toward the nearest curbside.
>
> What does "camming" mean here?
> --
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>