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Патент USA US2137065

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Nov. 15A, 1938.
H. SCHH-:SINGER <
_2,137,065
SAFETY DOOR HANDLE FOR BUS AIR DOORS
Filed June 24, 1938
lNvEN-ro?e
Hans Sch/@Sawyer
ATTO'RN EY
Patented Nov. 1.5', 1938
2,137,065"
UNITED- STATES PATENT OFFICE -~
2,137,065
y SAFETY VDYOOR, HANDLE FOR. BUS
DOORS
/
Hans Schlesinger, New York, N. Y.
Application June 24, 1938, Serial No. 215,647
8 Claims.
This invention relates to new and useful im
provements in a safety door handle -for bus air
doors.
The invention has for an object the construc
tion of a safety handle which »may be applied to
control a bus air door, >or doors, and constructed
in a manner to prevent accidental opening or
closing of the doors.
‘
Heretofore it has been customary to construct
buses Vwith a handle for controlling the doors
arranged in the vicinity of the >steering wheel
of the bus. Frequently the operator touches this
handle accidentally, causing the opening or
closing of the doors.
~
'
>
(Cl. PPI-_528)
that the air control casing II is mounted on
the side wall of the bus in the vicinity of the
steering Wheel Illa. Ahandle I5_for controlling
the air valve issecurely attached to the stem I2
and extends radially thereof. This handle is 5
adapted to be moved by the bus driver for con
trolling the operation of the doors.` The details
of this constructionwill. not be given in this
specification since it forms no part of- the inven
tion and these constructions are generally known
at the present time.
A double layer strip of material I6 engages
about the annular member I0 and has its ends
adjacent -each other. A bolt I1 engages through
the ends` of the said double layer strip `I6 for
clamping the' same ñxedly upon the annular
The invention contemplates a construction `by
Which the handle may be locked quickly andeñiciently in `various positions to open the doors . member I0. Elements I8 are ñ-xedly clamped
or close the doors, open the door or another only, between the bottom »edge `portions of the layers
or other combinations Vand arrangements.
of the strip I6 and form recesses i9 »at certain
20
Still further the. invention proposes to ,so ar
areas for engagement by a holding lever as 20
range the device that it may be easily applied to hereinafter more fully described. `
the equipment in present day buses.
Another object of this invention is to provide
an oil splash guard upon the handle in a man
25 ner to protect the driver’s >hand from being
splashed with oil.
~
claims in which the various novel features of the
invention are more particularly set forth.V
In the accompanying drawing forming a ma
`
Fig. 1 is a horizontal sectional View of the
front portion of a bus provided'with a door con
trol handle and asafety arrangement constructed
according to this invention. '
Fig. 2 is a perspective view of the Vair 4control
40 valve and safety handle construction according
Vto this invention.
-
safety door handle per se.
«
Fig. 5 is a sectional view on lthe line 5-5 of
Fig. 4.
.
away from the handle I5 by an expansion spring
23. Theinner end'of the lever 20 is formed with
a reduced portion 20a adapted to engage selec~
tively the recesses I9,- and is guided by projec
tions I5'` from the 4handle I5.
'I‘he elements I 8 »must be ñxedly arranged in.
predetermined positions Vto correctly locate the
recesses I9. These recesses I9 should be located
at positions so that the handle I5 will be at lpre
determined positions to open both doors, or selec
tively open Vone or the other of the »doors of the
bus. Buses generally are »constructed with a
front door and `a rear door. Thus a construc-
tion is provided for «singly or jointly controlling 40
thesedoors.
Fig. 3 is a fragmentary sectional view >of Fig.`2.
Fig. 4 is a perspective view of a -part of the
45
25'
the lever. . Thevouter end -of the lever 20 is urged`
>
For further comprehension of the invention,
and of the objects and advantages thereof, ref
erence will be had to the following description
30 and accompanying drawing, and to the appended
terial part of this disclosure: `
The holding lever for the handle I5 comprises
a lever 2D which is pivotally connected with the
handle I5 by several lugs 2| and a pintle 22 ar-~
ranged intermediate the ends of the handle and
Y
Fig. 6 is a bottom View of Fig. 4.
The safety door handle for bus air doors, ac
cording to this invention, includes an annular
member Ill adapted to encircle and to Vbe ?ixedly
attached upon a portion of _the casing I;I which
surrounds the operating stem I2 of an _air con
trol for opening and closing the doors I3 4of a
Y
»
A »shield 25 extends concentric with the stem
I2 and -is attachedAupon-the handle I5 by several
screws 26. This shield 25 «protects the driver’s
hand from being splashed by oil from the air 45
valve. With present constructions it often hap~
pens that escaping -airr'will splash oil on the
handle I5. With the vshield 25 the oil ‘is pre
vented »from reaching the outerend of »the handle
Whichris the portion which is gripped by the 50
driver.
Y
The `method of assembly of the device is as
follows:
-
Y
»
.Y The bolt .I‘I„isgloosened; .the annular member
bus I4. Reference numeral III“` indicates the
55 steering Wheel` of the bus.„;1tvsh.ou1d benoted. . I0 .is .fixedly `attached upon „the ycasing I»I of the
55.
2
2,137,065
air valve. This may be accomplished by having
a drive fit between these parts or by the use of a
pin or other fastening element. The double
upon said annular member, elements ñxedly
clamped between the bottom edge portions of
the layers of said strip forming recesses, a handle
for attachment on said operating stem, and a
lever mounted on said handle and engageable in
said recesses for holding the handle in different
ñxed positions, said double layer strip having a
cutout area along its bottom portion in the
vicinity of said elements so that the bottom ends
so that the recesses I9 are located at the proper
positions for the proper operation of the doors of said elements are substantially in the same
of the vehicle. I_f desired it is possible to remove plane as the side ends of said double layer strip.
one or more of the elements I8 or to add addi
3. A safety door handle for bus air doors, com
prising an annular member adapted to encircle
tional elements, as may be desired.
These elements I8 are merely held in position and be fiXedly attached on a portion of the cas
frictionally. The upper ends are formed with ing surrounding the operating stem of an air 15
split beaded portions I8a which are engaged in control for opening and closing bus doors and the
a receiving groove formed in the adjacent faces like, a double layer strip of material engaging
of the layers of the double strip I6. At the` about said annular member and having its ends
adjacent each other, a bolt engaging through the
areas where the elements I8 are located, the
ends of said double layer strip for clamping same 20
double strip I6 is formed with a cutout I6’l ar
ranged so that the elements I8 may extend from upon said annular member, elements iixedly
the top edge of this cutout and extend down» clamped between the bottom edge portions of the
wards to a location substantially in the same layers of said strip forming recesses, a handle
plane as the wide end portions of the double for attachment on said operating stern, and a
layer strip.
lever mounted on said handle and engageable in 25
After the elements yhave been properly ad
said recesses for holding the handle in different
justed the bolt I -I is tightened. This serves to ñxed positions, and an oil shield mounted on
rigidly secure the double layer strip of material said handle.
upon the annular member I0 and'to cla-mp to
4. A safety door handle for bus air doors, com
gether the layers for frictionally gripping and prising an annular member adapted to encircle 30
holding the elements I8. The handle I5 and the and be i‘lxedly attached on a portion of the casing
control lever 2l] are now engaged in place. It is surrounding the operating stem of an air control
possible to press together the outer ends of the for opening and closing bus doors and the like,
handle I5 and the control lever 20 to pivot the a double layer strip of material engaging about
inner end 2lia of the control lever out` from one said annular member and having its ends adja 35
of the recesses I9. rI‘hen the handle I5 may be cent each other, a bolt engaging throught the
turned as desired. In the new position the lever
ends of said double layer of strip for clamping
20 is released and the spring 23 will urge it into ' same upon said annular member, elements i'lxedly
a locking position with Ythe end 20a re-engaging clamped between the bottom edge portions of the
one of the recesses I9.
layers of said strip forming recesses, a handle 40
While ï have illustrated and described the for attachment on said operating stem, and a
preferred embodiments of my invention, it is to lever mounted on said handle and engageable in
be understood that I do not limit myself to the said recesses for holding the handle in different
precise constructions herein disclosed and the ñxed positions, and an oil shield mounted on said
right is reserved to all changes and modifica
handle, and secured thereon by several screws. 45
tions coming within the scope of the invention
5. A safety door handle for bus air doors, com
prising an annular member adapted to encircle
as deñned in the appended claims.
Having thus described my invention, _what I and be ?ixedly attached on a portion of the casing
claim as new, and desire to secure by United surrounding the operating stem of an air control
for opening _and closing bus doors and the like, a
States Letters Patent is:
double layer strip of material engaging about said
l. A safety door handle for bus air doors, com
prising an annular member adapted to encircle annular member and having its ends adjacent
and be ñxedly attached on a portion of the casing each other, a> bolt engaging through the ends of
surrounding the operating stem of an air control said double layer strip for clamping same upon
for opening and closing bus doors and the like, a said annular member, elements fixedly clamped
layer strip I6 is then engaged over the annular
member I0. While the bolt Il is still loose the
elements I8 may be shifted to various positions
along the bottom portion of the double layer
strip. It is possible to shift these elements I8
ii.)
25
30
40
55
double layer strip of material engaging about said
annular member and having its ends adjacent
each other, a bolt engaging through the ends of
said double layer strip for clamping same upon
60 said annular member, elements i'lxedly clamped
between the bottom edge portions of the layers of
said strip forming recesses, a handle for attach
ment on said operating stem, and a lever mounted
on said handle and engageable in said recesses
65 for holding the handle in diiferent fixed posi
tions.
~
2. A safety door handle for bus air doors, corn
prising an annular member adapted to encircle
and be ñxedly attached on a portion of the cas
70 ing surrounding the operating stern of an air
control for opening and closing bus doors and
the like, a double layer strip of material engaging
about said annular member and having its ends;
adjacent each other, a bolt engaging through the
75 ends of said double layer strip for clamping same
between the bottom` edge portions of the layers
of said strip forming recesses, a handle for at
tachment on said operating stem, and a lever
mounted on said handle and engageable in said
recesses for holding the handle in different fixed
60
positions, each of said elements having a beaded
top edge formed with a split to make the same
resilient, and said beaded top edge engaging a
groove formed in the adjacent faces of said
double layer strip.
6. A safety door handle for bus air doors, com
prising an annular member adapted to encircle
and be ñxedly attached on a portion of the casing
surrounding the operating stem of an air control
for opening and closing bus doors and the like, a 70
double layer strip of material engaging about
said annular member and having its ends adja
cent each other, a bolt engaging through the ends
of said double layer strip for clamping same upon
said- annular member, elements ñxedly clamped 75
3
2,137,065
between the bottom edge portions of the layers
of said strip forming recesses, a handle for at
tachment on said operating stem, a lever mounted
on said handle and engageable in said recesses
otally. mounted intermediate of its yends upon said
handle.
n
8. A safety door handle for bus air doors, com
prising an annular member adapted to encircle
for holding the handle in diiîerent ñxed positions, ` and be ñxedly attached on a portion of the casing
and a resilient element engaged between the surrounding the operating stem of an air control
outer ends of said handle and lever for urging for opening and closing bus doors and the like, a
the lever into an operative position. ~
.double layer strip of material engaging about said
7. A safety door handle for bus air doors, com
annular member and having its ends adjacent
10 prising an annular member adapted to encircle
each other, a bolt engaging through the ends of 10
and be fixedly attached on a portion of the casing said double >layer strip for clamping same upon
surrounding the'operating stem of an air control said annular member, elements ñxedly clamped
for opening and closing bus doors and the like, a between the bottom edge portions of the layers
double layer strip of material engaging about said of said strip forming recesses, a handle for at
15 annular member and having its ends adjacent ' tachment on said operating stern, a lever mounted
each other, a bolt engaging through the ends of on said handle> and engageable in said recesses
said double layer strip for clamping same upon for holding the handle in different fixed positions,
said annular member, elements ñxedly clamped and a resilient element engaged between the
between the bottom edge portions of the layers of outer »ends of said handle and lever for urging
said strip forming recesses, a handle for attach
the lever into an operative position, said lever 20
ment on said operating stem, a lever mounted on being pivotally mounted intermediate of its ends
said handle and engageable in said recesses for upon said handle, the handle and the lever being
holding the handle >in diiîerent ñxed positions, formed with lugs, and a pintle engaging through
and a resilient element engaged between the outer these lugs for accomplishing the pivotal con
ends of said handle and lever for urging the lever nections of these parts.
»
v
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25
into an operative position, said lever being piv
HANS SCHLESINGER.
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