BRIEF INTRODUCTION TO THE DRAWINGS
In order that the invention may be readily understood, specific embodiments thereof will now be described by way of example only and with reference to the accompanying drawings in which:
FIG. 1 is an isometric view of a front of an upper frame of a first embodiment of the invention for mounting in a door frame;
FIG. 2 is an isometric view of the first embodiment of the invention mounted in the door frame;
FIG. 3 is an isometric view of the upper frame of the first embodiment in collapsed condition;
FIG. 4 is an isometrical view from the front and below of the upper frame of the second embodiment;
FIG. 5 is an isometric view of the second embodiment mounted in a doorway with the lintel omitted for clarity;
FIG. 6 is a top plan view of the second embodiment mounted in a doorway with the lintel omitted for clarity;
FIG. 7 is an isometric view of the top and front of the upper frame of the second embodiment mounted in a doorway with the door closed;
FIG. 8 is a fragmentary isometric view of the locking mechanism for the weight set supporting bar;
FIG. 9 is a fragmentary isometric view of a bipartite footrest;
FIG. 10 is a fragmentary view of a lower horizontal bar device folded in a retracted position;
FIG. 11 is a schematic side elevation of the second embodiment used for weight assistance during pull ups;
FIG. 12 is a schematic side elevation of the second embodiment used for weight resistance during pull ups;
FIG. 13 is a fragmentary diagrammatic view of a support bar length adjustment mechanism;
FIGS. 14
a and 14b are front elevational and side isometric views of dip bars;
FIG. 15 is an isometric view of the second embodiment in a fully collapsed condition for storage; and
FIG. 16 is an elevational view of a person performing a weight exercise while supported upside down by the footrests.