Kaleidoscope kit

Details Kaleidoscope kit Kaleidoscope kit

1995-03-30

1995-11-21

Gellner, Michael L.

Optical: systems and elements

Kaleidoscope

Including particles loosely housed for agitation

359616, G02B 2300

Patent

active

054692970

ABSTRACT:
As assembled from a kit allowing repeated assembly and at least partial disassembly without damage, a kaleidoscope comprises a tubular barrel having a proximal end and a distal end, a pair of elongate reflectors within the barrel, a sleeve mounted rotatably on the barrel, and a case rotatable conjointly with the sleeve. An annular spacer on the barrel and a ring on the sleeve coact to prevent the sleeve from being pulled from the distal end of the barrel. The case has a tubular wall, a transparent end facing the proximal end, and an at least partly transparent end facing oppositely. The case and the sleeve are assembled only with a frictional interfit between the tubular wall and the end portion so as to permit the case, as a unit, and the sleeve to be repeatedly assembled and disassembled without damage.

REFERENCES:
patent: 3884547 (1975-05-01), Parrino
patent: 4231634 (1980-11-01), Gantz et al.
patent: 4494820 (1985-01-01), Klawitter
patent: 4762380 (1988-08-01), MacCarthy
The Kaleidoscope, Brewster, 1987, pp. 59-66.
Kaleidoscope, The Art of Mirrored Magic, Yoder, 1988, pp. 244-245.

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