Appeal No. 96-0674
Application 08/533,287
the adapter 50 in the locked position, the adapter 50 is fixed
to the shaft 30, typically with an appropriate glue, so that
the adapter 50 is in a predetermined angular position about
the shaft axis 34, relative to the vanes or feathers 25 on the
arrow shaft. In order to lock the nock in place, the nock is
provided with a pair of locking pins 48 which extend radially
outward from the head end 42 of the nock 40. The adapter
includes a wall 56 having an aperture 60 which consists of a
central circular portion 66 and a pair of radially extending
slots 67. A plurality of cam surfaces 62 are located on the
forward surface 58 of the wall 56. Each cam surface 62 tapers
gradually forward from the forward surface 58 to a forward
most point 64 adjacent a depression 65. The depressions 65 as
well as the wall 56 with its forward surface 58, the aperture
60 with its central circular portion 66 and radially extending
slots 67, the cam surface 62 with its forward most point 64
and the arcuate slits 68 in the wall 56 function as detent
means 72 for the pins 48 when the nock 40 is combined with the
adapter 50 in the locking mode as shown in FIGS. 1 and 2.
See, col. 4, lines 27-58. In an alternative embodiment shown
in Figures 15-18, the detent is replaced by
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Last modified: November 3, 2007