BS 6735:1987

Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. Location of controls
4. Volumetric hand reach spaces
5. Volumetric foot reach spaces
6. Seat adjustment
Appendix
A. Explanation of figures
Tables
1. Decrements in reach from finger tip reach
2. Definition of twisted posture, driver looking over
     right hand shoulder
Figures
1. Reach direction and the X, Y and Z coordinate axes
     relative to the small operator's hip point
2. Pedal reference point
3. Angular constraints for hand control principal
     space
4. Additional horizontal arm reach along the direction
     of reach for different vertical contours
5. Additional vertically downwards reach when reaching
     towards side reach contours, as a function of the
     direction of reach
6. Angular constraints for foot control principal
     space
7.1 Arm reach contours, facing forward, plan view,
     both hands, upper set
7.2 Arm reach contours, facing forward, plan view,
     both hands, lower set
7.3 Arm reach contours, facing forward, front view,
     both hands, forward set
7.4 Arm reach contours, facing forward, front view,
     both hands, rearward set
7.5 Arm reach contours, facing forward, side view,
     both hands
8.1 Arm reach contours, twisted to rear, plan view,
     right hand, upper set
8.2 Arm reach contours, twisted to rear, plan view,
     right hand, lower set
8.3 Arm reach contours, twisted to rear, front view,
     right hand, forward set
8.4 Arm reach contours, twisted to rear, front view,
     right hand, rearward set
8.5 Arm reach contours, twisted to rear, side view,
     right hand, reaching to right
8.6 Arm reach contours, twisted to rear, side view,
     right hand, reaching to left
9.1 Arm reach contours, twisted to rear, plan view,
     left hand, upper set
9.2 Arm reach contours, twisted to rear, plan view,
     left hand, lower set
9.3 Arm reach contours, twisted to rear, front view,
     left hand, forward set
9.4 Arm reach contours, twisted to rear, front view,
     left hand, rearward set
9.5 Arm reach contours, twisted to rear, side view,
     left hand, reaching to left
9.6 Arm reach contours, twisted to rear, side view,
     left hand, reaching to right
10.1 Toe reach contours, facing forward, plan view,
     both feet
10.2 Toe reach contours, facing forward, front view,
     both feet, forward set
10.3 Toe reach contours, facing forward, front view,
     both feet, rearward set
10.4 Toe reach contours, facing forward, side view,
     both feet
11.1 Heel reach contours, facing forward, plan view,
     both feet
11.2 Heel reach contours, facing forward, front view,
     both feet, forward set
11.3 Heel reach contours, facing forward, front view,
     both feet, rearward set
11.4 Heel reach contours, facing forward, side view,
     both feet
12.1 Toe reach contours, twisted to rear, plan view,
     left foot
12.2 Toe reach contours, twisted to rear, front view,
     left foot, forward set
12.3 Toe reach contours, twisted to rear, front view,
     left foot, rearward set
12.4 Toe reach contours, twisted to rear, side view,
     left foot, reaching to left
12.5 Toe reach contours, twisted to rear, side view,
     left foot, reaching to right
13.1 Toe reach contours, twisted to rear, plan view,
     right foot
13.2 Toe reach contours, twisted to rear, front view,
     right foot, forward set

13.3 Toe reach contours, twisted to rear, front view,
     right foot, rearward set
13.4 Toe reach contours, twisted to rear, side view,
     right foot, reaching to right
13.5 Toe reach contours, twisted to rear, side view,
     right foot, reaching to left
14.1 Heel reach contours, twisted to rear, plan view,
     left foot
14.2 Heel reach contours, twisted to rear, front view,
     left foot, forward set
14.3 Heel reach contours, twisted to rear, front view,
     left foot, rearward set
14.4 Heel reach contours, twisted to rear, side view,
     left foot, reaching to left
14.5 Heel reach contours, twisted to rear, side view,
     left foot, reaching to right
15.1 Heel reach contours, twisted to rear, plan view,
     right foot
15.2 Heel reach contours, twisted to rear, front view,
     right foot, forward set
15.3 Heel reach contours, Twisted to rear, front view,
     right foot, rearward set
15.4 Heel reach contours, twisted to rear, side view,
     right foot, reaching to right
15.5 Heel reach contours, twisted to rear, side view,
     right foot, reaching to left
16. Example of reached contours (reduced scale)

Specifies the contours defining the volumetric spaces for the location of controls on agricultural tractors and machinery which represent: (i) the operator\'s maximum comfortable arm reach and (ii) the operator\'s minimum and maximum comfortable foot reach.