Figure 3
Results of Research on Maneuvering Clearances in inches (cm)
A. Latch Side Approach, Pull Side
Researchers/ Depth of Space, measured perpendicular to doorway (x)/ Clear Opening
- Walter, 49.1 (126), 31.2 (80)
- Brattgard 39.0 (100), 30.4 (78)
- Ownsworth (source Brattgard 1974), 39.0 (100), 30.2 (77.5)
- Nedrebo (source Brattgard 1974), 52.7 (135) - not reported as minimum, 29.7 (76.1)
- Steinfeld 47.6 (122), 29.6 (76)
B. Hinge Side Approach, Pull Side
Researchers/ Depth of Space, measured perpendicular to doorway (x)/ Distance from latch measured parallel to wall (y)/ Clear Opening
- Brattgard 46.8 (120), 42.9 (110), 30.4 (78)
- Steinfeld 59.7 (153), 41.7 (107), 29.6 (76)
C. Latch Side Approach, Push Side
Researchers/ Depth of Space, measured perpendicular to doorway (x)/ Clear Opening
- Walter 46.8 (120, 31.2 (80)
- Brattgard 39.0 (100), 30.4 (78)
- Ownsworth (source Brattgard 1974), 39.0 (100), 30.2 (77.5)
- Nedrebo (source Brattgard 1974), 47.6 (122) - not reported as minimum, 29.7 (76.1)
- Steinfeld 41.7 (107), 31.6 (81)
D. Hinge Side Approach, Push Side
Researchers/ Depth of Space, measured perpendicular to doorway (x)/ Clear Opening
- Walter 46.8 (120, 31.2 (80)
- Brattgard 39.0 (100), 30.4 (78)
- Ownsworth (source Brattgard 1974), 39.0 (100), 30.2 (77.5)
- Nedrebo (source Brattgard 1974), 48.8 (125) - not reported as minimum, 29.7 (76.1)
- Steinfeld 41.7 (107), 31.6 (81)
E. Forward Approach, Pull Side
Researchers/ Depth of Space, measured perpendicular to doorway (x)/ Clear Opening
- Walter 12.9 (33), 31.2 (80)
- Brattgard 11.7 (30), 30.4 (78)
- Nedrebo (source Brattgard 1974), 23.4 (60), 29.7 (76.1)
- Steinfeld 23.4 (61), 29.6 (76)
F. Forward Approach, Push Side
Researchers/ Depth of Space, measured perpendicular to doorway (x)/ Clear Opening
- Brattgard 7.8 (20), 30.4 (78)
- Nedrebo 11.7 (30), 29.7 (76.1)
- Steinfeld (source Brattgard 1974) not tested
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