Evolution of the knuckle lever-cap (iii)

Of the knuckle lever-caps, two were designed very similar to Stanley, from the perspective of appearance: Record and Millers Falls. The first of these is that of Record (U.K.), which produced a knuckle lever cap similar to that of Stanley, but with a different mechanism on their No.018, 019, and 0230 block planes, The No.018 was manufactured from 1934 to 1967, the No.019 from 1934 to 1943, and the No.0230 from 1932 to 1943.

The cam mechanism is almost identical to that of Stanley.

Millers Falls also produced a few knuckle-lever block planes: the No.47 (1929-1948), and the No.36, and No.37 (1929-1961), the latter two analogous to the Stanley No.18, and No.19 respectively. From the visual perspective, there is nothing which separates this knuckle lever cap from that of Stanley, or Record.

The difference lies in the cam mechanism which exists under the lever cap. There are three core differences:

  • Unlike the Stanley KLC which uses one cam-point, the Millers Falls uses two points which contact the blade when the cam mechanism is activated.
  • The mechanism has three parts, as opposed to the four of Stanley. The cam lever is joined to the base plate by means of a pivot which moves along a grove.
  • The point of contact with the underside of the palm-rest is also different, in the Millers Falls plane it sits to the rear of the lever cap.




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