초록 ▼

An exercising machine having vertical tracks, a vertically reciprocative carriage guide by the tracks, weights to bias the carriage downwardly and a lifting arm removably connected to the carriage, and having a failsafe mechanism for automatically interlocking the lifting arm and the carriage to pre

An exercising machine having vertical tracks, a vertically reciprocative carriage guide by the tracks, weights to bias the carriage downwardly and a lifting arm removably connected to the carriage, and having a failsafe mechanism for automatically interlocking the lifting arm and the carriage to prevent accidental decoupling thereof.

대표청구항 ▼

In an exercising machine of the type having an upright supporting structure, vertical tracks associated with said upright supporting structure, a carriage which slides vertically upwardly and downwardly on said vertical tracks, said carriage being provided with a plurality of vertically spaced socke

In an exercising machine of the type having an upright supporting structure, vertical tracks associated with said upright supporting structure, a carriage which slides vertically upwardly and downwardly on said vertical tracks, said carriage being provided with a plurality of vertically spaced sockets, body-engaging means removably connected to the carriage at any selected one of said vertically spaced sockets, and adjustable resistance means associated with the carriage to bias the carriage and body-engaging means in a vertically downward direction, the improvement which consists of a body-engaging means comprising a lifting arm having: (a) a socket-engaging portion having an open free end and telescopically receivable in substantially a horizontal direction within the vertically spaced sockets; and (b) a safety latching means carried by said socket-engaging portion and pivotally movable relative thereto about a transversely extending axis, said safety latching means having oppositely disposed first and second ends spaced on opposite sides of said axis, one of said ends being movable by force of gravity automatically into latching engagement with the carriage upon insertion of said socket-engaging portion into the socket for locking said lifting arm against movement relative to said socket in a reverse direction thereby preventing accidental withdrawl from the socket and the other of said ends being engageable to move said opposite end out of latching engagement with the carriage.