friction produced between gate 10 and surfaces 11 and 13 bars 62 and 64 are shaped and disposed to provide gate 10 with an appropriate width for substantially filling a passageway having a width between about 29 inches and about 34 inches for example bars 62 and 64 can provide a width of about 29 inches for frame 12 the top of arm 52 is adapted to receive hinge 20 fig1 for pivotal connection to door 14 at an upper pivot point 66 of barrier 46 cross member 56 provides a hole 68 for receiving hinge 70 fig1 for pivotal coupling to door 14 at a lower pivot point 72 of barrier 46 such that door 14 can be pivotally coupled to frame 12 along pivot axis 74 fig1 arm 54 is shaped to receive spring 36 and linkage 34 in an opening 76 that extends along the length of arm 54 upper slots 78 and 79 only slot 78 shown in arm 54 are sized to receive a rivet 80 and lower slots 82 and 83 only slot 82 shown are sized to receive a rivet 84 holes 86 and 88 only hole 86 is shown are sized to receive pins 90 and 92 respectively pins 90 and 92 can extend into but not all the way through opening 76 of arm 54 referring to fig2 and 3 spring 36 and linkage 34 are received in opening 76 of arm 54 with spring 36 resting on pins 90 and 92 indicated by dashed lines.