Undertaking
Patent
1982-09-20
1988-04-12
Johnson, Richard J.
Undertaking
285396, 403348, A63B 520
Patent
active
047369450
ABSTRACT:
An assembly (10) for demountably securing one end of a jump rope (18) to a substantially vertical surface (12). A planar base (11) is affixed to the surface (12), as by screws (30), and the base presents the lugs (23 and 24) of a bayonet mount (14). A receptacle (13) has a central hub (35) and a peripheral rim (36) that are interconnected by a generally planar web (38). The slots (41 and 42) for the bayonet mount (14) are provided in the web (38) and permit demountably securing the receptacle (13) to the base (11). The hub (35) has a hollow, interior cavity (48) which rotatably receives a bushing (15) to which the rope (18) is secured. The configuration of the cavity (48) and the bushing (15) cooperates to minimize rotative frictional resistance therebetween.
REFERENCES:
patent: 622313 (1899-04-01), Woodvine
patent: 770869 (1904-09-01), Roe
patent: 782332 (1905-02-01), Goldsmith et al.
patent: 904200 (1908-11-01), Harris
patent: 2230098 (1941-01-01), Wurzburger
patent: 3263995 (1966-08-01), Morrow
patent: 4158457 (1979-06-01), Hydro
patent: 4375886 (1983-03-01), Muys
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