Adjustable weight lifting machine

Details Adjustable weight lifting machine Adjustable weight lifting machine

1991-08-19

1992-08-04

Bahr, Robert

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing weight resistance

482 99, 482138, A63B 2106

Patent

active

051354519

ABSTRACT:
An adjustable weight lifting machine includes a bench board adjustably secured on a bench frame by adjustably engaging a locking bolt pivotally secured with the bench board with a corresponding pair of bolt holes formed in the bench frame adapted for a proper seating or sleeping by a trainee or user on the bench board, and a plurality of weights slidably held on two guiding rods having a pair of reinforcing ribs, each rib securing each rod to a supporting column of the machine having each weight formed with two side notches in two opposite side portions of the weight so as to be freely reciprocated on the guiding rods without being obstructed by the two reinforcing ribs secured on the rods.

REFERENCES:
patent: 3912263 (1975-10-01), Yatso
patent: 4346888 (1982-08-01), Slabo
patent: 4582319 (1986-04-01), Luna
patent: 4634127 (1987-01-01), Rockwell
patent: 4781374 (1988-11-01), Lederman
patent: 4826157 (1989-05-01), Fitzpatrick
patent: 4915377 (1990-04-01), Malnke et al.
patent: 4919419 (1990-04-01), Houston

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