|Publication number||US1622999 A|
|Publication date||Mar 29, 1927|
|Filing date||Sep 22, 1926|
|Priority date||Sep 22, 1926|
|Publication number||US 1622999 A, US 1622999A, US-A-1622999, US1622999 A, US1622999A|
|Inventors||Frith Arnold J|
|Original Assignee||Frith Arnold J|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (34), Classifications (7)|
|External Links: USPTO, USPTO Assignment, Espacenet|
March 29, 1927. i 1,622,999
A. J. FRITH Lock Filed Sept. 22, 1926 2 Sheets-*Sheet 22A .rnold INVENTOR WITNESS: ATIORNEY BY n F.
Paienied Mar, 29, 1921.
UNITED STATES'- ARNOLD J'. FBITH, OF S'ELMA, ALABAMA. y
Application led September 22, 1926.` Serial No.` 137,097.
y The object of this invention is to. provide a device including a casing, carryinga springv mounted yoke member and a plurality of barrels having their axes in alinement, one of the barrels being retained by spring-held pins to be controlled b -a key, this barrel controlling `the other arrels thru which lookin engagement with the yokeis effected.
'wat View, the'invention consists in the novel con; struction and arrangement of elements described, illustrated and claimed, it being understood that modifications may beA made within the scope of the claims without departing from the spirit of the invention.
In the drawings forming part 'ofthis application,
.Figure 1 i's aV view showing the casing of the lock in vertical or longitudinal section, with the yoke 'in elevation.
Figure 2 is an edge elevation of the structure of Figure 1'.
. Figure 3 is a.section on ure 1. y
Figure 4 is a section on line 4--4 of Figure 1. I l
Figure 5 is a section thru the casing, with the yoke in release position, and the barrels in elevation.
Figure 6 is a -bottom planview vof the structure of Figure 5. Y
Figure7 is a section on line 7-7 of Figure 6.
Figure is a section on line 8 8 of Figure 1.
.Figure 9 is a'section on line 9-9 of Figure 1.
Figure 10 is avfra mentary view showing a slotted-portion of t e casing, and a lug for engagement by the pivoted element of Figline 3 3 of Fig- The housing or casing is designated 10, and is provided with a. bore 11, in which the longer end portion or shank 12 of the yoke 13 is mounted. A coil spring 14 within bore 11 bears on the lower end of yoke 13 and especially on the lower end of the shank 12 thereof, and tends to force the yoke into an upper and release position, when the device is unlocked. The shank 12 carries a or lug 12, and the latter lprojects thru the curved or cam slot 15 in t e casing, this slot being illustrated in Figure 2, and elsewhere. The Iyoke 13 carriesa collar 13 adapted to lit over the upper end of casing 10, and close any space ot erwise existing around the the foregoingand'other objects in.
other element, is prevented.
The opposite end portion of -the yoke 13 1s cut away, as 'shown in Figures 1` 3 and 5, to form bayonet slots designated 17, and adapted Y devices referred t'o below.
.shank 12, so that the insertion of'a. tool or" emana for cooperation with `the engaging -A lower barrel 2O is rotatable in a ver- I tical bore in the casin v10, and is key controlled, andan upper`- arrel 21 is controlled by the lower barrel, so that upon? the insertion of a, key 22 which properly' controls the pin tumblers or spring pins, the lower bar; rel 20 is released and is permitted to rotate,
at which time thelug 24 depending from the upper barrel 21 is engaged by spring' 25 on slot 17 on the end of the yoke. The rotation of upper barrel 21 also results in the release of bolt'27 from the engaging position of Figure 1, so that the shank 12 ofthe yoke 13 is lifted by spring 14, and is swung to the position of Figure5, in view of the cooperation between pin 12' on the shank 12, and the cam slot 15.
Barrel -20 is provided with longitudinal bores or channels receiving f pins 30 withl which springs 31 cooperate, 'the springs controlling the pins, when not controlled by the key 22. The pins 30 are slotted transversely at 32, and the bolt, bar, or dog 33 'cooperates with the slots when the latter register, the
release position of, bolt 33 being shown in Figure 8, said element 33 passing into the y recess 34 and engaging shoulder 35 when free to act under the influence of spring 36 The bolt 33 recedes when the key causes the slots of the pins to register and when the barrel 20 is rotated by the key. 'In this connection it will be noted that slot or recess 34, is provided with a cam wall.
Upon rotating barrel 20, en gement between elements 24 and 25 of Flgure 4 is af-4 loo fected, andthe upper barrel 21 is rotated until it comes to position permitting release of pin 21 from the adjacent bayonet slot'17,
and the release of manner.- I.
The 'rotation of the upper barrel 21 also moves the recessed ortion 38 into ition. opposite the left en of bolt 27, so t at the latter moves to the left in Figures 1 and 3, and` is released from the recess 27 in the shank 12, the release position being shown pin 21", in a similar in Figure 5. Spring 39" permits of this movement of element 27 to the left.
A pivoted arm or dog 40, shown especially in Figures 1 and 9, project 'thru an opening in the side of upper barrel 21, and is adapted to project into the slot 4&1 in the wall of casing 10, and to cooperate with and engage shoulder 42, the inner end of element 40 acting under the influence of thespring 43. This spring, as well as the pivoted ele ment 40, is mounted ina recess in barrel 21 which receives the end or short end of the yoke 13. In order to protect the upper barrel 21, plate 45is secured to the upper end of the casing 10, and is provided with apertures for opposite portions of the yoke, as will be apparent from the drawings. i
The end of the yoke 13, when the latter is being moved to locking position, releases dog 40 from shoulder 42, and permits movement of the barrel to locking osition,un der the action of spring 47. The release of the lock by means of key 22, to be inserted thru slotted key plate 22', has been described.
Having described the invention what is claimed is v 1. In a lock, a casing, a spring operated yoke mounted in the casing and including a shank, an upper barreland a .lower barrel in alinement therewith, means for moving the upper barrel by the rotation of the lowerk barrel, spring controlled and key controlled pins mounted inthe lowerv barrel, a bolt for engaging the shank, retaining the yokein locked position, the upper barrel having a recess into .which the bolt is movable for releasing the shank of. the yoke.
2. In a lock, a casing,'.a spring operated yoke mounted in Ethe casing and including a' shank, an upper barrel and a lower barrel in alinement therewith, means for moving the upper barrel by the rotation of thev lower barrel, spring controlled and key controlled pins mounted in the lower barrel, thel upper barrelbeing recessed for receiving one end of the yoke, devices formed oli the inner Wallof the recess and on the adjacent end.
of the yoke for producing interlockingengagement when the upper barrel is rotated, and a bolt for engaging the shank, retaining the yoke in locked position, the upper barrel having a recess into which the bolt is movable for releasing the shank of the yoke.
3. In a lock, a casing, a spring operated yoke mounted in the casing and including a shank, an upper barrel and a lower barrel in alinement therewith, means for moving the upper barrel by the vrotatiot ot' the lower barrel, spring controlled and key controlled pins mounted inthe lower barrel, springheld pivoted means carried bv the upper barrel, means lformed in the wa ing for engaging the pivoted means, the yoke being adapted to release the engaging means, resilient means for rotating the upper bar rel, and a bolt for engagingpthe shank, retaining the yoke in locked position, the' upper barrelhaving a recess into which the bolt is movable for releasing the shank of the yoke. j
4.' In a lock, a casing having a bore and a cam slot therein, al spring' operated yoke mounted in the bore and including a, shank,
and including means, engaging the slot,
whereby partial rotation is imparted to the shank and yoke, an upper barrel and a lower barrel in alinement with each other, means for moving the upper barrel bythe rotation of the lower barrel, a bolt for engaging the shank, retaining the yoke in locked' position, the upper barrel having a recess into which the bolt is movable for releasing the shank of the yoke.
.In testimony whereof I aiiix my signature. ARNOLD J. FRITH.
of the cas-'
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|U.S. Classification||70/38.00A, 70/53, 70/491|
|International Classification||E05B67/24, E05B67/00|