Ball locking device with interchangeable handles

A ball locking device having a ball locking mechanism releasably attachable to a receptacle to lock the device thereto until released. The device has a handle which is removably attached to,the device so that the handle can be changed for another. The handle may be of a non-metallic material whereas the main components of the ball locking mechanism may be of metallic material.

OF THE INVENTION 
1. Field of the Invention 
The invention relates to ball locking devices; and, more particularly, a 
ball locking device having interchangeable handles. 
2. Description of the Prior Art 
Quick connect ball locking devices are well known in the prior art. Such 
devices generally include a plurality of detents, such as balls, trapped 
within a tube but protruding out openings therein. A ball actuator is 
reciprocal within the tube and movable from a first position wherein the 
balls are retracted substantially within the tube or moved outwardly a 
sufficient distance to lock the balls within a mating receptacle. 
Generally, such prior art ball locking devices have a stainless steel head 
integral with the actuating member (generally of one-piece). 
In use, such devices generally have differing heads or handle portions, or 
even different colored handles, depending upon the application, use or 
desire of the customer. However, the actuating mechanism, i.e., the tube, 
balls and actuating member portion, are the same regardless of the 
configuration of the head or handle portion. 
There is a need for an improved ball locking device that can be quickly and 
easily assembled from stock resulting in a device having a head or handle 
portion to the customer's specifications. This would cut down on inventory 
and provides faster delivery to the customer. 
SUMMARY OF THE INVENTION 
It is an object of this invention to provide a ball locking device having 
interchangeable handles. 
These and other objects are preferably accomplished by providing a ball 
locking device having a ball locking mechanism adapted to be releasably 
attachable to a receptacle to lock the device thereto until released. The 
device has a handle which is removably attached to the device so that the 
handle can be changed for another. The handle may be of a plastic material 
while the locking mechanism may be of metal.

DESCRIPTION OF THE PREFERRED EMBODIMENT 
Referring to FIG. 1 of the drawing, a locking pin 10 is shown having an 
elongated generally cylindrical barrel 11 with a throughbore 12. A 
plurality of spaced openings 13, 14, such as two, are provided through 
barrel 11 adjacent one end 15 thereof. A plurality of detents, such as 
balls 16, 17, are provided in openings 13, 14. The areas of barrel 11 
surrounding openings 13, 14 may be peened, as is well known in the art, to 
retain balls 16, 17 in openings 13, 14. 
An elongated ball, actuator 18 is reciprocally mounted in throughbore 12. 
Actuator 18 has a head 18' and reduced diameter section 19 into which 
balls 16, 17 may move which actuator 18 is moved to the right in FIG. 1. 
This allows balls 16, 17 to be disposed within barrel 11 of sufficient 
distance to release pin 10 from a receptacle (not shown) as is well known 
in the ball locking art. 
Barrel 11 terminates at the end opposite end 15 in a threaded end 20. An 
enlarged head 21 is fastened to end 20 in any suitable manner, such as by 
knurling the same, or by thread means. Thus, as seen in FIG. 1, head 21 is 
secured by threading having internal mating threads 22. As seen in FIG. 2, 
end 20 of barrel 11 has an annular groove 23 adjacent end 20 adapted to 
receive therein an annular flange 24 on head 21 forming by swaging the 
same into areas 23. In addition, enlarged head 21 has means for retaining 
the same to a handle, such as handle 33 (FIG. 2). In the embodiment shown, 
threads 37 are used to secure head 21 to handle 33 but other means, such 
as knurling, may be used. 
Actuator 18 extends through a chamber 24' in head 21 to a push button 25. 
End 26 of actuator 18 is thus press-fit into a hole 27 in push button 25. 
Push button 25 being retained to head 21 by engagement of annular flange 
28 with shoulder 29 of head 21 as shown. In lieu of a preformed shoulder 
29, formed by counterboring head 21, the terminal end of head 21 may be 
swaged inwardly to provide a stop or shoulder. Actuator 18 is secured to 
push button 25 by swaging end 100 of push button 25 into groove 101 as 
seen in FIG. 2. This swaging operation retains push button 25 to spindle 
end of actuator 18. 
A chamber 30 is formed internally of pin 10 between push button 25 and 
barrel 11. A coil spring 31 is disposed within chamber 30 abutting against 
push button 25 and barrel 11 normally biasing push button 25 away from 
barrel 11. When push button 25 is pushed internally against the bias of 
spring 31, actuator 18 is moved in the direction of arrow 32 in FIG. 2. As 
seen in FIG. 3, this moves reduced diameter section 19 to the right in 
FIG. 1 allowing balls 16, 17 to move back into barrel 11 in the release 
position shown in FIG. 3. 
Head 21, barrel 11 and push button 25 may be made of stainless steel and 
head 21 is integral with barrel 11 either by being threaded or otherwise 
swaged or knurled thereto or integral therewith. 
An actuating handle, such as L-shaped handle 33 (FIG. 2) may be secured to 
push button 25. Handle 33 has a first elongated gripping portion 34 
extending from a center portion 35 having a central threaded aperture 36. 
Enlarged head 21 has mating threads 37 on the outside thereof threadably 
mating with threaded aperture 36. A shorter gripping portion 38 extends 
from center portion 35 on the side thereof opposite gripping portion 34. 
If desired, a hole 45 may be provided in portion 34 for securing a strap 
or the like (not shown) thereto. 
Thus, an operator can grip portions 34, 38 and push inwardly on push button 
25 thereby moving actuator 18 as heretofore discussed. 
Thus, handle 33 may be made of plastic and/or may be color coded. By 
threading it to head 21, it can be quickly and easily removed therefrom. 
The stainless steel head 21 integral with stainless steel barrel 11 
carries the tension loads and allows the use of plastic handles which may 
be color coded. The use of plastic cuts down on costs and a desired color 
can be molded into the handle 33 during the manufacturing process. This 
eliminates a secondary process, such as cadmium plating or anodizing, 
necessary in making such locking pins heretofore, which processes pollute 
the environment. Thus, colored handles, needed to coordinate with a 
customer's application, can be molded in the handle. Such coloring is also 
aesthetically appealing. 
Although a particular handle 33 is shown in FIG. 2, other handles may be 
interchangeably threaded on to head 21. Thus, as seen in FIG. 4, a button 
handle 39 may have a generally cylindrical main body portion 40 having an 
outer enlarged annular gripping portion 41 and a threaded throughbore 42. 
The threads of throughbore 42 mate with threads 37 of enlarged head 21 
which, when handle 39 is threaded thereto, extends outwardly thereof 
similar to the orientation of handle 33 and push button 25 in FIG. 2. As 
seen in FIG. 5, an extension portion 46 may be integral with gripping 
portion 41 having hole 47 therethrough for receiving a strap or the like 
(not shown). 
Another handle 43 in the form of a T is shown in FIG. 6. Handle 43 has a 
central generally cylindrical main body portion 44 and integral elongated 
gripping portions 48, 49 extending outwardly on each side thereof. A hole 
50 may be provided in one of the gripping portions, such as portion 48, 
for receiving a strap or the like (not shown) therein. Main body portion 
44 has a threaded throughbore 51 adapted to mate with threads 37 of 
enlarged head 21 as heretofore discussed with respect to handles 33 and 
39. 
Still another handle 52 is shown in FIG. 7. Handle 52 has a generally 
cylindrical main body portion 53 with an outer annular integral flange 54. 
Flange 54 has a pair of opposed holes 55, 56 receiving therein legs 57, 
58, respectively, of a gripping ring 59. Ring 59 is of a resilient 
material, such as wire, and legs 57, 58 snap fit into holes 55, 56. A 
threaded throughbore 60 extends through main body portion 53 and flange 54 
adapted to mate with threads 37 of head 21 as heretofore discussed. 
Obviously, a strap or the like (not shown) can be secured directly to ring 
59. Ring 59 can be grasped while pushing on push button 25 when handle 52 
is assembled thereto as heretofore discussed. 
It can be seen that the handles of FIGS. 2, 4, 5, and 7 can be quickly and 
easily interchanged. All of the handles can be made of plastic and colored 
as heretofore discussed. This cuts down on inventory and allows quick 
delivery to the customer. 
Although ball locking devices of the type discussed herein have many uses, 
they are particularly useful as quick release mechanisms in the aircraft 
industry such as the mechanisms disclosed in my U.S. Pat. Nos. 3,948,549 
and 4,404,714. These patents, commonly assigned, and the teachings of 
which are incorporated herein by reference, disclose similar ball locking 
pins adapted to releasably engage locking receptacles, such as receptacle 
73 in wall 74 of U.S. Pat. No. 3,948,549, and keeper pins, such as pin 14 
of U.S. Pat. No. 4,404,714. 
Although a particular embodiment of the invention has been disclosed, 
variations thereof may occur to an artisan and the scope of the invention 
is only to be limited by the scope of the appended claims.