1979-07-27
1981-10-06
Pinkham, Richard C.
Undertaking
273DIG1, A63B 520
Patent
active
042931258
ABSTRACT:
A jump rope has tubular handles, each configured with a deeply set annular recess at one end to provide a bearing surface for receiving the knotted end of the rope, and a bell shaped curvilinear egress port at the opposite end on the handle adjacent to which is strung on the rope a substantially spherical bead for preventing jamming of weighting links on the rope into the handle.
REFERENCES:
patent: 1436703 (1922-11-01), Fisher
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patent: 2723121 (1955-11-01), Cartwright et al.
patent: 2968117 (1961-01-01), Trombly
patent: 3068007 (1962-12-01), Satchell
patent: 3517931 (1970-06-01), Kalish
patent: 3642277 (1972-02-01), Gersten
patent: 3669133 (1972-06-01), Hyman
patent: 4065537 (1977-12-01), Miller et al.
patent: 4139966 (1979-02-01), Connell
Kramer Arnold W.
Pinkham Richard C.
Schoff Keith
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