Adjustable furniture apparatus

In a chair having legs adjustable in length, the improvement wherein each leg comprises:

• a male member having a plurality of grooves spaced therealong;
• a female member in telescoped engagement with the male member, such female member having an inner wall and an enlarged recess in the wall, a surface of which forms an abutment shoulder;
• and
• a leg abutment device received in only one of the grooves and engaged against the shoulder for coacting therewith and holding the male member and female member in fixed relationship to each other;
• and wherein
• the chair further includes:
• a seat with a bottom surface and a pair of openings formed in the seat;
• a back rest with at least two back rest ends;
• each back rest end extends through a respective one of the pair of seat openings and protrudes from the bottom surface;
• a lower back rest abutment device is secured with respect to each protruding back rest end and abuts the bottom surface;
• and
• a female member engages each protruding back rest end, whereby the back rest is held in place.

A chair having:

• a plurality of adjustable elongate support elements, each having a male member, a female member in telescoped engagement with the male member, and a positionally-adjustable leg abutment device interposed between the male member and the female member;
• a seat having a top and bottom surface and a pair of openings formed therein;
• a back rest with at least two ends, each engaging a respective seat opening and protruding from the bottom surface;
• and
• a positionally-adjustable upper back rest abutment device secured with respect to each back rest end and abutting the seat top surface;
• whereby the length of engagement of the female member with the male member may be adjusted, the height of the back rest may be adjusted and the back rest is held in place.