599 Menlo Drive, Suite 100
Rocklin, California 95765, USA
Office: (916) 624-8333
Fax: (916) 624-8003
General: info@parallax.com
Technical: support@parallax.com
Web Site: www.parallax.com
Educational: www.stampsinclass.com
Gripper Kit for the Boe-Bot Robot (#28202)
The Gripper Kit
This kit allows your Parallax Boe-Bot
®
Robot to pick up objects. The
Boe-Bot robot (#28132 serial or #28832 USB) is sold separately.
Before getting started, take an inventory of the parts in your kit. Use
Fig #1
to identify each part to the parts list. Once you have
inventoried your kit, proceed to
Step #1.
®
Parts List
Item Qty
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
(1)
(1)
(2)
(4)
(8)
(2)
(8)
(17)
(1)
(2)
(1)
(1)
(2)
(8)
(9)
(2)
(4)
(2)
(4)
Description
hinge mount
dowel pin
linkage plate
Gripper link
#4 x 1” spacer
Gripper plate
4-40 x 1.25” pan head
screw
4-40 hex nut
spring
control arm
Parallax Standard Servo
actuator rod
Brass E-Z Connector
foam tape
4-40 x ¼" pan head
screw
servo bracket
4-40 x 3/8" pan head
screw
lock nut (not shown)
#4 x 1.25” standoff
(not shown)
15
10
7
5
4
13
3
9
11
17
1
12
3
2
16
6
14
8
Fig #1
Recommended Tools
•
•
•
•
Small needle nosed pliers
Phillips #2 point screwdriver
Small flat-blade screwdriver
A sharp-tipped hobby knife,
such as an X-Acto
®
knife
-OR-
A hand drill with 5/64″ bit
WARNING!
DO NOT use electric
screwdrivers with this kit. Please
assemble using hand tools only
to avoid damaging your Gripper.
© Parallax, Inc. 2005 - Gripper Kit for the Boe-Bot Robot (#28202) v 3.0 10/05 Page 1 of 14
Step #1: Spacers
Item
4
5
Qty
(2)
(2)
Description
Gripper link
#4 x 1" spacer
•
•
Insert spacers into plastic Gripper links.
Use
Fig #2
as a guide to install the spacers. When
done, the pieces will appear as shown in
Fig #3.
Fig #2
Fig #3
Step #2: Gripper Links
Item
6
7
8
Qty
(1)
(2)
(2)
Description
Gripper plate
4-40 x 1.25" pan head screw
4-40 Hex Nut
•
•
•
•
Be sure the angled portions on top of the plastic links
match the angles on top of the Gripper as shown in
Fig #5.
Move links and spacers into the Gripper plate, then
secure with 4-40 screws and nuts as shown in
Fig #4.
Tighten securely.
Before continuing, double check your work to ensure
that the pieces are angled as in
Fig #5.
Fig #4
Fig #5
© Parallax, Inc. 2005 - Gripper Kit for the Boe-Bot Robot (#28202) v 3.0 10/05 Page 2 of 14
Step #3: Foam Tape
Item
14
Qty
(4)
Description
foam tape
•
•
Cut four pieces of foam tape, each 2 inches long.
Apply foam tape to the Gripper plate as shown in
Fig #7.
This completes the left-side Gripper sub-assembly.
Fig #6
Fig #7
Step #4: Second Gripper Sub-assembly
Item
4
5
6
7
8
14
Qty
(2)
(2)
(1)
(2)
(2)
(4)
Description
Gripper link
#4 x 1" spacer
Gripper plate
4-40 x 1.25" pan head screw
4-40 hex nut
foam tape
•
•
•
Repeat
Steps #1
through
#3
to build the right-side
Gripper sub-assembly in a similar fashion.
Be sure the angled portions of the links match with the
Grippers face to face. Position the pieces exactly as
they appear in
Fig #8.
Double check your work, then proceed to
Step #5.
Fig #8
© Parallax, Inc. 2005 - Gripper Kit for the Boe-Bot Robot (#28202) v 3.0 10/05 Page 3 of 14
Step #5: Linkage Plates
Item
3
5
7
8
Qty
(2)
(4)
(4)
(4)
Description
linkage plate
#4 x 1" spacer
4-40 x 1.25" pan head screw
4-40 hex nut
•
Assemble the Gripper sub-assemblies to the upper
and lower linkage plates as shown in
Fig #9.
In turn,
insert each plastic link, a spacer, and secure with 4-40
screws and nuts.
When all four plastic links are installed, tighten
securely.
Double check your work against
Fig #10.
Note that
the hinge tabs on the bottom plate face up, while
hinge tabs on top plate face down.
•
•
Step #6: Control Arms
Item
10
15
Qty
(2)
(4)
Description
control arm
4-40 x ¼" pan head screw
•
•
Attach control arms with 4-40 x ¼" screws as shown
in
Fig #11.
Final assembly must match
Fig #12.
Double check
your work, then proceed to
Step #7.
Fig #11
Fig #12
© Parallax, Inc. 2005 - Gripper Kit for the Boe-Bot Robot (#28202) v 3.0 10/05 Page 4 of 14
Step #7: E-Z Connectors
Item
13
Qty
(2)
Description
Brass 0.072 E-Z Connector
•
•
Follow the directions on the package to install the E/Z
Connector into the control arms. Use the nylon
washers, but set the screws aside for now.
Check your work; your final assembly should match
Fig
#13.
Fig #13
Step #8: Install Gripper Hinge Plate
Item
1
15
8
Qty
(1)
(3)
(3)
Description
hinge mount
4-40 x ¼" pan head screw
4-40 hex nut
•
•
Attach hinge mount to the Boe-Bot with the 4-40 x ¼"
screws and nuts as shown in
Fig #14
and
Fig #15.
Double check your work against
Fig #16.
Note: It is recommended that the servos and tires on
the Boe-Bot be installed with the wheels biased toward
the front of the unit as shown below. This will prevent
the Boe-Bot from tipping when it picks up objects.
Fig #14
Top View
Fig #15
Bottom View
© Parallax, Inc. 2005 - Gripper Kit for the Boe-Bot Robot (#28202) v 3.0 10/05 Page 5 of 14
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