US2090202A - Lock - Google Patents

Description

G. D. HILL 2,090,202

- LOOK Filed Nov. 14, 1955 2 Sheets-Sheet 1 IIIIIIIIIIIHWIIIIIIIMIIIIIII||| h llll HI "I IIHIIIIII INVENTOR %zIsATT0RNEY G. D. HILL. 2,090,202

LOCK

Filed Nov. 14, 1955 2 Sheets-Sheet 2 Aug. 17, 1937.

III

%ZSATTORNEY Patented Aug. 17, 1937 Sargent & Greenleaf,

Ina, Rochester, N. Y., a

corporation of New York Application November 14, 1935, Serial No. 49,779

17 Claims.

The present invention relates to improvements in looks, one object being to provide a lock which is simple in construction and which embodies relatively few closely related parts whereby to provide a compact unitary lock of the class described.

A further object of the invention is to provide improvements in locks of this class in which the bolts are of the flanged arcuate type, the construction embodying improved means for operating and holding the bolt in different positions and the design being such as to prevent unauthorized release of the bolt by attempts at springing or jimmying the parts secured by the lock.

A further object of the invention is to provide an improved lock which can be manufactured at relatively low cost and one having parts which can be readily assembled to afford a unitary structure capable of being applied to desks, cabinet drawers, doors, and other closures to secure and safely lock the same.

To these and other ends. the invention resides in certain improvements and combinations of parts, all as will be hereinafter more fully described, the novel features being pointed out in the claims at the end of the specification.

In the drawings:

Fig. 1 is a front elevation of the lock with the bolt shown in extended position;

Fig. 2 is a plan view of the same;

Fig. 3 is a view similar to Fig. 1 with the bolt in retracted position;

Fig. 4 is a plan view of the lock shown in Fig. 3;

Fig. 5 is a plan view illustrating the keeper for the bolt;

Fig. 6 is a sectional elevation substantially on the line 6-6 of Fig. 9 in which the bolt is shown in looking position;

Fig. 7 is a somewhat similar View in which the bolt holding detent is shown at release position;

Fig. 8 is a detailed perspective view of the rotary supporting element for the bolt;

Fig. 9 is a transverse section on line 99 of Fig. 6;

Fig. 10 is a sectional elevation substantially on line ill-40 of Fig. 4;-

Fig. 11 is asectional plan on line llll of Fig. 1;

Fig. 12 is a transverse section taken through the bolt on its axis of rotation;

Fig. 13 is a sectional elevation similar to Fig. 6 a showing a slightly modified bolt, and

' Fig. 14 is a side elevation of the bolt drawn to a reduced scale.

The same reference numerals throughout the several views indicate the same parts.

The present lock is one adapted for use as securing means for chests, sliding drawers, and swinging or sliding doors, and other closures. It is particularly adapted for tightly securing the closure or other parts to be locked whereby to prevent jimmying or springing of the same, and is of such a design as to avoid the projection of any parts from the lock or keeper when the bolt is in unlocked position.

The part it to which the lock is applied may constitute the front of a drawer such as a cabinet or desk drawer, or a closure or the like. The frame or wall H for supporting the keeper I2 is recessed at it to receive the keeper which is secured by the screws It as shown in Fig. 6. The closure 56 is recessed at i5 to receive the lock designated generally by the reference numeral Hi, the lock being secured within the recess by means of the screws H, as shown in Fig. 6.

The lock mechanism is enclosed in a unitary casing comprising the front and rear sections I8 and i9, respectively, the latter having a forwardly projecting flange I900. The front section has a cylindrical extension 20 thereon which may be integrally form-ed therewith or detachably connected thereto as by means of the screws 2|, Fi 9.

A suitable lock for securing the bolt is disposed in the cylindrical portion 20 of the casing, such, for example, as the cylinder lock shown, having the usual tumbler arrangement as illustrated in Fig. 9. The cylinder 22 of the lock, which receives and is rotated by the key 23, has a reduced extension 24 projecting within and operatively associated with the rotary supporting member 25 carrying the bolt, designated generally by the reference numeral 26.

The rotary supporting member 25 has its front and rear ends journaled in openings formed in the front and rear sections it and I9 of the casing, respectively, as best shown in Fig. 9.

The bolt is preferably formed by suitably securing together, as by spot welding, two substantially circular sections 27 having oppositely extending curved or arcuate flanges 28 for movement through the slots 29 and 29a, of the lock casing and keeper l2, respectively, into locking engagement with the curved lugs 3b of the keeper, as shown in Figs. 6, 9, and 13.

The rotary supporting member 25 is extended through circular openings 250, formed in the front and rear sections of the bolt and is operatively connected with the sections preferably by the lugs 3| of said sections which engage the rotary supporting member within the slot 32 thereof. The lugs are extended slightly within the bore of the rotary supporting member so that their 5 opposite edges will. be engaged by the extension 24 of the lock cylinder projecting within the bore or recess of the supporting member. It will be understood that in turning the key in the lock in a direction to unlock the bolt, that the extension 24 of the cylinder will engage the edges of the lugs 3| at one side thereof to rotate the bolt to release position and that in turning the key in an opposite direction, said extension will engage the opposite edges of the lugs to rotate the bolt to locking position, as shown in Figs. 6 and 13.

The retaining means for holding the bolt in looking and unlocking positions comprises a detent 33 pivoted at 34 on the rear section I9 of the lock casing, the detent having a laterally projecting lug 35 extending within the opening 36 of the bolt and adapted to hold the bolt in locking and unlocking positions by engaging it within the notches 33 and 39 thereof, respectively. A spring 453 is suitably connected with the detent and normally maintains it in bolt securing position, as shown in Figs. 6 and 13, the free end of the springbeing held by a pin l! extending forwardly from the rear wall of the lock casing.

The boltsupporting member 25 is provided with -similarly formed slots 42 in its opposite sides for receiving the inner edge of the detent, which projects slightly within the bore of the supporting member when the bolt is in locking and unlocking positions, in which positions the lug of the detent will engage the bolt within the notches 38 and 39, respectively, to positively lock the bolt in said positions.

.In turning the key of the lock to rotate the cylinder in a counterclockwise direction as viewed in Fig. 6, the extension 24 of the cylinder will engage and cam the detent outwardly to the position shown in Fig. 7 in which the lug 35 is moved out of the notch 38 of the bolt. Upon continued rotation of the cylinder in a counterclockwise direction to 45 the position shown in Fig. 7, the bolt will be moved to unlocking position during which time the lug 35 of the detent will ride on the semi-circular portion 43 of the bolt until the bolt is moved to unlocking position, as shown in Fig. 10, at which time the lug will be made to enter the notch 39 through movement of the detent by the spring 40. In the locking operation the cylinder extension 24 will be rotated in a clockwise direction as viewed in Fig. 10, first releasing the detent and 5 then engaging the lugs 3| of the bolt to rotate the latter to locking position, at which time the lug 35 of the detent will return to the notch 38 of the bolt as shown in Figs. 6 and 13.

In the embodiment shown in Fig. 13 the construction and arrangement of parts is the same as that shown in the remaining figures except that the flanges 28 of the bolt have cam portions 280. formed centrally thereon and extending inwardly thereof whereby when the bolt is being moved to locking position the cams will ride on the lugs 30 of the keeper to insure a binding action between the bolt and the keeper so that the latter may be slightly deflected at its center or drawn inwardly toward the lock to prevent any substantial play between the drawer or closure and the frame to which the keeper is applied, thus providing for a more rigid and secure connection between the door or closure'and the framework to which the keeper is applied. Furthemore, it will be obvious that the bolt shown in Fi 6 can be so proportioned as to tightly clamp the lock casing and keeper together when the bolt is in locking position.

Furthermore, the bolt is so constructed that when in unlocking position it will serve to substantially close the opening 29 in the flange l9c of the rear section [9 of the casing. In other words, the portion 21a. of the bolt will serve to close the narow portion of the slot 29 and the ends of the bolt flanges 28 will substantially close the end or wider portions of the slot as indicated in Fig. 4. By thus closing the slot 29 when the bolt is in unlocked position small articles of different kinds will be prevented from entering the lock casing and interfering with the movements of the operating parts.

The front section of the lock casing not. only affords a seat for the front face of the bolt but is formed to provide curved channel-shaped guides 18a for the arcuate flanges 28 of the bolt, as shown in Fig. 11.

By providing a single unitary casing for the bolt and the cylinder lock, an extremely compact locking unit is aiforded, no part of which projects beyond the limits of the closure to which the lock is applied when. the bolt is at unlocking position. In other words, the complete lock is housed within the recess l5 formed within the closure as indi-l Another advantageous feature cated in Fig. 9. is that of employing a short extension on the lock cylinder to both rotate the bolt to and from looking position and to release the bolt holding detent rotatable within the casing and having a lug extending therein and a key operated lock in the casing having a rotary operating part for engaging opposite portions of the lug to rotate the bolt in opposite directions.

2. In locking means, a casing having an opening in one Wall thereof, a bolt rotatable within the casing provided with a recessed supporting member and having a substantially arcuate portion movable through said opening to engage a keeper upon moving the bolt to locking position,

the bolt having associated therewith a part for closing said opening when the bolt is returned to unlocking position within the casing, retaining means for holding the bolt in locked position extending within the recessed supporting member, and a lock having a rotary operating member for withdrawing the bolt movable relative to and within the recessed supporting member and adapted to engage and move the retaining means to release position when the operating member is being rotated toward bolt withdrawing position.

3. In locking means, a casing having an opening in one wall thereof, a bolt within the casing having a recessed supporting part rotatably received within the casing, said bolt having oppositely extending flanges for locking engagement with a keeper, said flanges being disposed within the casing when the bolt is in unlocked position and moving through said opening when rotating the bolt to locking position, the bolt having a part extending between the ends of said flanges and cooperating with said ends to close said opening when the bolt is in unlocked position, and a spring pressed detent for holding the bolt in locked position, a rotary operating part for the bolt extending within the casing and within said recessed supporting part and movable relative to said part and operable to effect release of the detent and rotation of the bolt from locking position.

4. In locking means, a casing having an opening in one wall thereof, a bolt rotatable within the casing and having a substantially arcuate portion for movement through said opening to locking position, a lock associated with the casing and having an operating member rotatable'in opposite directions substantially on the axis of the bolt, said operating member including a part for engaging and moving the bolt to and from looking position, and retaining means for holding the bolt in locked and unlocked positions, the operating member being movable relative to the retaining means and said retaining means being engaged by said part and moved thereby to release position in advance of the movement of the bolt by the operating member.

5. In locking means, a casing having an opening in one wall thereof, a bolt within the casing having a recessed supporting portion rotatably received within the casing and provided with an abutment, said bolt also having a substantially arcuate portion disposed within the casing when the bolt is in unlocked position and being movable through said opening to locking position, and a lock associated with the casing and having a rotary operating part ext-ending within the casing and Within said recessed supporting portion for engagement with said abutment to effect operation of the bolt upon rotation of said operating part.

6. In locking means, a casing having an opening in one wall thereof, a bolt within the casing having a recessed supporting portion rotatably received by the casing and provided with an abutment, said bolt also having a substantially arcuate portion disposed within the casing when the bolt is in unlocked position and being movable through said opening to locking position, a lock associated with the casing and having a rotary operating part extending within said recessed supporting portion for engagement with said abutment to efifect operation of the bolt upon rotation of said operating part to a predetermined position, and retaining means for holding the bolt in looking position, said retaining means 1 being released by said operating part in advance of its movement to said predetermined position.

7. In locking means, a casing having an opening in one wall thereof, a bolt within the casing having a recessedsupporting portion rotatably received by the casing and provided with an abutment, said supporting portion having oppositely disposed notches therein, said bolt also having a substantially arcuate securing portion disposed within the casing, and movable through said opening from unlocking to locking position, a

lock associated with the casing and having a rotary operating part extending within said recessed supporting portion for engagement with said abutment to effect operation of the bolt upon rotation of said operating part, and a spring pressed retaining member having a portion for engaging the bolt within said notches to hold the bolt in looking and unlocking positions, said retaining member being actuated by said operating part when rotating the latter in opposite directions whereby to release the bolt for operation by said part.

8. In locking means, a casing, a bolt having a recessed supporting portion rotatably disposed within the casing and having an abutment within the recess, a lock associated with the casing having a rotary operating member extending within said recess and adapted when rotated in opposite directions to engage said abutment to rotate the bolt to and from looking position, and a retaining member for holding the bolt in looking and unlocking positions, said retaining member extending within said recess when in normal operating positionand being moved to release position by said operating member inv advance of the operation of the bolt by the latter.

9. In locking means, a casing, a bolt therein rotatable to and from looking position, a look within the casing including a rotary operating member for the bolt, said bolt having oppositely disposed notches therein and having a circular slot with which the notches communicate, retaining means for engaging the bolt within said notches to hold it in locking and unlocking position, said retaining means extending Within the slot during movement of the bolt to and from looking position, said operating member having a part adapted upon rotation of said member in opposite directions to predetermined positions to engage and move the retaining means to release position, said part upon continued rotation of said member in either direction from said predetermined positions serving to operate the bolt.

10. In locking means, a casing having a bolt rotatable to and from looking position, a look within the casing including a rotary operating member for the bolt rotatable substantially on the axis of the bolt, retaining means for engaging and holding the bolt in looking and unlocking position, said operating member having a part adapted upon rotation of said member in either direction to first engage and release said retaining means and adapted upon continued rotation of said member in the same direction to rotate the bolt to one of said positions.

11. In locking means, a casing having an opening in one wall thereof, a bolt rotatable within the casing and having a substantially arcuate portion movable through said opening to engage a keeper for the bolt when moving the bolt to locking position, said arcuate portion having a cam thereon for engaging the keeper to afiord a binding action between the bolt and the keeper when moving the bolt to locking position, means rotatable substantially on the axis of the bolt for rotating the bolt to and from looking position and retaining means for holding the bolt in locked and unlocked positions, the bolt rotating means operating when rotated in either direction to release the retaining means in advance of rotation of the bolt. I

12. In locking means, a casing having an opening in one wall thereof, a bolt rotatable within the casing and having a substantially arcuate portion movable through said opening to engage a keeper for the bolt when moving the bolt to locking position, said arcuate portion having a cam thereon for engaging the keeper to afford a binding action between the bolt and the keeper when moving the bolt to locking position, retaining means for holding the bolt in looking position, and a cylinder lock substantially coaxial with the bolt and having a part for engaging the bolt to rotate it in opposite directions, said part "also engaging the retaining means when being rotated whereby to release the retaining means in advance of the unlocking operation.

13. In locking means, a lock casing, a bolt rotatably disposed within the casing and having an axially disposed bore, a lock within the casing having an operating part rotatable in opposite directions within said bore to move the bolt to and from locking position, and retaining means for holding the bolt in looking position, said retaining means being operated by said part to release position in advance of the movement of the bolt to unlocking position.

14. In locking means, a lock casing, a bolt rotatably disposed within the casing and having a hub-like portion provided with a bore, said hublike portion having oppositely disposed slots communicating with said bore, the operating member for the bolt having a part rotatable in opposite directions within said bore to move the lock to and from looking position, and a retaining member for the bolt adapted to extend within said slots when the bolt is in locking and unlocking positions, said retaining member being moved to release position by said operating member when rotating the latter in opposite directions to move the bolt to and from looking position.

15. In lock mechanism, a casing having an I opening in one wall thereof, a bolt within the: casing having a substantially arcuate portion movable through said opening to engage a keeper upon moving the bolt to locking position, a recessed supporting member for the bolt rotatably supported Within the casing, an actuating part for the bolt extending within the recess of the supporting member, and a rotary operating member for the bolt projecting within the casing, and

in said recessed supporting member and rotat-- able to engage opposite portions of said actuating part to effect rotation of the bolt in opposite directions.

16. In lock mechanism, a casing, a bolt rotat- I able within the casing and provided with a cir-.

cular slot having spaced communicating notches,

a lock including a rotary operating member for the bolt, retaining means forjthe bolt including a part for engaging the bolt within said notches to hold it in locking and unlocking positions, said part extending within said slot during movement of the bolt to and from looking position, said operating member having a part adapted upon rov tation of saidmember in opposite directions to predetermined positions to engage and move the I cluding a part for engaging the bolt within said notches when the bolt is at locking and unlock-' ing positions whereby to hold it in said positions,

said part extending within the slot during movement of the bolt to and from locking position.

GERRIT 1)., HILL.

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