US1262200A - Lever-locking mechanism. - Google Patents

Description

G. C. JENSEN.

LEVER LOCKING MECHANISM.

APPLICATION FILED $291.21. 1911.

1,262,200. Patented Apr. 9,191&-

WITNESS: INVENTOR.

ATTORNEYS,

UNITED STATES PATEN T OFFICE.

GEORGE C. JENSEN, OF OAKLAND, CALIFORNIA.

LEVER-LOCKING MECHANISM.

Application filed September 2'2, 1917.

To all whom it may concern:

Be it known that I, GEORGE C. JENSEN, a citizen of the United States, residing at Oakland, in the county of Alameda andstate of California, have invented certain new and useful Improvements in Lever-Locking Mechanism, of which the following is a specification.

The present invention relates to a locking device for levers, particularly that type employed in connection with lever engaging yokes, which are in turn associated with. the variable gear shifting mechanism of motor driven vehicle.

The invention has for its principal objects to provide a construction preferably associated with the lever through a pivotal connection and adapted to be thrown into engagement with a. stop by the operation of lock controlled mechanism to prevent operative movement of the lever.

With the above mentioned and other objects in view, the invention consists in the novel construction and combination of parts hereinafter described, illustrated in the accompanying drawings and ointed out in the claims hereto appended; it being understood that various changes in the form, proportion, size and minor deta ls of construc tion within the scope of the claims may be resorted to without departing from the spirit or sacrificing any of the advantages of the invention.

To more fuliy comprehend the invention, reference is directed to the accompanying drawings, Wherciu--- Figure l is a view in verticai section through the preferred embodiment of my invention.

Fig. 2 is a broken. top plan view of the same. 7

Fig. 3 is a sectional view taken on line 33 of Fig. 1.

Referring more particularly to the several views of the drawings, wherein like characters of reference designate corresponding parts,1 indicates a suitable hollow casing in the top wall. 2 of which is provided a pair of parallel spaced guide slots 3 connected by the transverse selective opening 4. Extending transversely Within the housing is a suit- Speeification of Letters Patent.

Patented Apr. 9, 1918.

Serial No. 198,406.

able rotatable shaft 5 on which is pivotally mounted a lever 6 extending upwardly through the selective passage 4 in the top wall 2 of the housing 1. The lever 6 is capable of transverse movement through the opening 4 and of longitudinal movement Within the openings 3. The'springs (5' positioned one at each side of the lever normolly maintain the same in an upright po sition within the selective opening at.

Extending upwardly within the housing and positioned one at each side of the lever 13 are the lever engaging forks 7 and 8, one of whrh is secured to rotate with the shaft 5 an the other of which is mounted to rotate about the shaft 5 and carries the sleeve 1 The upper ends of the lever engagii'ig forks 7 and 8 are adapted to lie one at each side of the opening 4 and to be engaged hy the lever in its selective movement, said forks being connected in any suitable manner to the gear shifting elements of the variable speed power transmitting mecha- 111511 livotally connected, as at 10, to each of the forks 7 and 8, adjacent their upper ends, are the locking arms ll and 12, each provhlcd in its upper surface with a notch 13 in which is adapted to be received a stop 14 depending from the underside of the housing top wall 2. The locking arms are adapted to move longitudinally during the pivotal movement of the lever engaging forks asso ciated therewith .and the free ends of said arms slide on and are supported by a suitable rotatably mounted shaft 15 extending transversely of the same. The shaft is provided with an operating handle 16 disposed exteriorly of the housing 1 and beneath the point of contact with the respective locking arms is provided with depressions 17 which are adapted when the shaft is rotated to position the same to receive the free ends of the locking arms to permit the locking arms to dro and iie free of the stops 14, at which time t e lever engaging forks are free for pivotal n'lovenient.

Springs 18 hooked over the upper surface of the locking arms and coi ed about the shaft 15 and secured at one end thereto, maintain the locklng arms in contact with rotate the bolt on the remeans to position the dethe free ends of the said bolt, and also lease of its locking pressions 1T beneath locking arms 12.

Any suitable mechanism may be employed for locking the bolt 15 from rotation, and for purposes of illustration I employ a bolt locking pin 19 rotatably mounted in a bore 20, and intersecting the axis of rotat on of said bolt 15. To permit of the rotation of the bolt 15 the bolt locking pin 19 is formed with a semi-circular depression 21 adapted on the rotation of said pin 19 to receive the solid portion of said bolt 15. The bolt 15 is likewise formed with a suitable semi-circular depression 22 which receives the solid ortion of the bolt locking pin 19 when said bolt 15 is locked from movement.

A spring 23 is coiled about the bolt looking pin 19 and is connected at one end thereto, said spring acting to rotate the bolt locking pin to force the solid portion thereof into the recess 22 of the bolt 15. A tongue 24 extends upwardly from the upper end of the bolt locking pin 19 and is adapted to be engaged by a cooperating tongue 25 depending from the underside of a rotatable key controlled locking barrel 26, of any well known type.

The rotation of the locking barrel 26 a one-quarter turn in a clockwise direction will cause the solid portion of the bolt looking pin 19 to withdraw from the semi-circular depression 22 in the bolt 15, and the semi-circular depression 21 in the bolt locking pin 19 to register with said depression 22, at which time the tension of the springs 18 will rotate the bolt 15 a one-quarter revolution and present the depression 17 below the respective locking arms 12, permitting free operation of the lever engaging yokes 7.

On a one-quarter revolution of the bolt 15 in an opposite direction by the manual movement of the handle 16, the depressions.

17 are removed from immediately beneath the locking arms 12, and the arms are forced upwardly by riding on the surface of the bolt, causing the stops 14 to seat in notches 13, at which time the spring 23 will automatically rotate the bolt locking pin 19 a one quarter revolution and cause the solid portion thereof to be received in the recess 22, at which time the lever engaging yokes are locked from movement.

Having thus described my invention, what I claim as new and desire to protect by Letters Patent is In combination with a housing, a lever pivotally mounted therein, a locking arm within said housing, pivotal means interposed between said arm and said lever for forming a union therebetween for operative connection of the lever and arm, said arm capable of longitudinal movement on the operative movement of said lever, a stop for said arm, and an axially rotatable lock controlled means for supporting and guiding said arm in its longitudinal movement and capable of operation for forcingsaid arm into engagement with said stop.

2. In combination with a housing, a lever pivotally mounted for universal swinging movement therein and projected at one end therethrough, a locking arm, pivotal means interposed between said arm and the shift lever for forming a union therebetween for operative connection of the lever and arm, said arm capable of longitudinal movement on the operative movement of said lever, and spring released lock controlled axially rotatable means for engaging and forcing the free end of said arm into engagement with said stop.

In combination with a lever, a locking arm, pivotal means interposed between said arm and lever for forming a union therebetween for operative connection of the lever and arm, said arm capable of longitudinal movement on the operative movement of said lever, a stop for said arm, and a lock controlled rotatable cam for supporting and on which the .free end of said and rests, said cam capable of operation to force the free end of said arm into locked engagement with said stop.

4. In combination with a lever, a locking arm, pivotal means interposed between said arm and lever for forming a union therebetween for operative connection of the lever and arm, said arm capable of longitudinal movement on the operative movement of said lever, a stop for said arm, and a spring actuated lock controlled rotatable cam supporting the free end of said arm and capable of operative movement to force said arm into engagement with said stop.

5. In combination with a lever, a housing within which'the fulcrum point thereof is concealed, a locking arm associated with said lever, pivotal means concealed within said housing and interposed between said arm and the shift lever for forming a union therebetween for operative connection of the lever and arm, said arm capable of longitudinal movement on the operative movement of said lever, a stop within the housing for said arm, and rotatable lock controlled means extending exteriorly of said housing and capable of operation for causing the engagement of said arm and stop to lock said lever from operative movem, t.

6. In combination with a lever,

a pivotally mounted lever engag'wg for l; cooperating therewith, a locking are? pivo ally connected to said fork and capable longitudinal movement on the opera he movement of said fork by said lever, a stop for said arm and an axially rotatable lock controlled cam support for the free and; of said arm and capable of rotation for forcing said arm into enga%ement withsaid stop.

7. n combination with a lever, a pivotally mounted lever engaging fork positioned one on either side thereof for selective enga%l ment by said lever, afllock'ing arm pivota connected to each ofsaid forks and capable of longitudinal movement on the pivotal 10 movement of said forks by said lever, a stop for each of said arms, and a rotatable cam name to this specification in the presence of 1.5

a Witness.

GEORGE C. JENSEN. Witness:

D, B. RICHARDS.

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