US1333993A - Seat - Google Patents

Description

D. F. OLIVER.

SEAT. APPLICATION msn 11111.12, 1915. nznswan Aue. 15, 191e.

1,338,998. Patented Mar. 16, 1920.

2 SHEETS-s115511.

D. F. OLIVER.

SEAT.

APPLICATION F1150 1AN.12. 1915. RENEwr-:D Aue. 15. 1918.

1,333,998. Patented'mr. 16, 1920.

j 2 SHEETS-SHEET 2. ELE* Y i seance.

UNITED sTATEs PATENT oEErcE.

DOCTOR FRANKLIN OLIVER, OF OAKLAND, CALIFORNIA; LILLIE F. OLIVER EXECUTRIX OF SAD D. FRANKLIN OLIVER, IDECEASED.

Patented Mar. v1e, 1920.

Application led January 12, 1915, Serial No. 1,850. Renewed August 15, 1918. Serial No. 250,076.

[o uit whom t muy concern.'

Be it known that l, DOCTOR F. OLivEE, a citizen of the United States, residing at Galland, in the county of Alameda and State of California, have invented new and useful linproveinents in Seats, of which Ythe following is a specification.

This invention relates to certain new and useful improvements vin seats and pertains niore particularly toseats used in connection with automobiles or other vehicles, bicycles and oflice chairs.

' The primary object of the invention is to provide an improved seat structure in which.

Fig. 2 is a Fig. 1;

Fig. 8 is a section on the line 3 8 of Fig. 1;

Fig. 4 is a section on the line 4-4 of Fig. l;

Fig. 5 is al side elevation of the invention applied to a motor-cycle, cr bicycle;

Fig. 6 is an enlarged section taken on the line 9-9 of Fig. 5;

Fig. 7 is a fragmentary top plan view of an automobile showing seats constructed in accordance with the present inifention therein; and

Fig. 8 is a detail side elevaton of the member which is actuated upon winding and unwinding of the spring.

ln proceeding in accordance with the present invention7 the floor 1 of the vehicle is provided with a longitudinal groove 2 in which is both slidably and turnably received the head 3 of an upstanding bolt 4 that threadedly engages in a socket 5 formed in the lower closed end 6 of a tubular pedestal or base standard 7. The standard 7 is preferably provided with a plurality of feet 8 which bear upon a plate 9 appropriatelysecured to the floor 1 and which has a longitudinal slot 10 that registers with the licor groove 2 so as to allow the bolt 4 to extend parts to be bodily shifted along the length v of the slot, or to enable the seats to be partially or completely rotated, as suggested in Fig. 7. l f

The seat proper 12 has the flanged upper end 18 of a lsupporting tubular post 14 rigidly connected thereto, which post telescopes within base standard 7 and has 'longitudinal slots 15 into which screws 16 borne by standard 7 project, the screw and slot connections prohibiting rotary movement of the post 14 but not interfering with free vertical reciprocation thereof upon the post responding to irregular movements of the vehicle.

The post 14 is interiorly threaded at its upper endV for the purpose of receiving a turnable but normally rigid plug 17, which plug has a socket 18 of angular cross-section, so as to not only receive a key-wrench which may be introduced through an opening 19 vprovided for the purpose in seat 12,

butto also conformablyreceivethe angular head 20 of a rod 21 which serves to maintain regularity of the convolutions of a coil spring 22.

The coil spring 22 is utilized to resiliently support the seat 12 and has its upper end rigidly connected to plug 17 and has its lower end similarly secured to a nut 23 having threads of approximately 3711i" pitch, which nut is engaged with the threads at the lower end of post 14.

The nut 23 has a depending stem `24 which at its bottom is formed with a coneshaped socket 25 that receives a cone-pointed projection 26 formed on the closed end 6 of l standard 7 the stern 24 being formed hollow so as to slidaloly receive the rod 21.

The screws 16 also serve as stops to restrict the extent of relative outward movenient of the post 14 and standard 7, and assure engagement of the stem 24 of nut 28, with the bottoni 6 of standard 7.

In operation, the nut 17 is turned to effect winding of the spring 22 so as to place sainev under desired torsional tension, following which a screw 27 is' operated to impinge against nut 17 to lock the latter so as to inaintain the spring with energy or power stored up therein. A

Upon the vehicle being' subjected to a jar or jolt, the downward movement of the seat is resisted by reason of compression of the spring and torsion thereof which latter is Y caused by the post let that is thrust downwardly with the seat7 the spring torsion being effected by rotation of the nut 28.

Thus the downward movement of the sea-t is cushioned, first by reason ofthe compres sion of the coil springgrsecond, by torsion of thespring; and third by virtue of the friction which is set up by rotation of the nut '123, in and through the threads at the lower end of post 14: and by the friction between socket and projection 26.

In Figs. 5 and 6 of the drawings, the,

aforementioned parts, where present, correspond to similarly designated parts with the addition of prune marks to the reference numerals. In this adaptation of the invenelement,V a nut Vthreaded into engagement with the lower end of said element and havingv a stein which abuts the adjacent end of the other element, and a tensioned coil ,spring rigidly connected to the ineinber and nut whereby upon compression of thespring thefnut will be turned by downward thrust of the first element to torsionally tension the spring.

2. In a seat support, a tubular standard, a tubular post slidable within the standard having a flange at the upper end to which the seat is fixed, and having vertical slots, screw pins xed in the standard and entering the slots to guide the post7 a plug fitting the upper end of the post, a rodv connected with the plug and extending downward in the post a screw threaded nut turnable inthe lower end of the post and into which therod extends and a coil sei-ino` coni ressible between the plug and the nut.

3. A seat support of the character de-V scribed coinprising a tubular standard, a seat supporting post guided and slidable in the standard, aV plug at the upper end of the post, a nut in the lower enc., a coil spring surrounded rod connected with the plug and slidable inthe nut, a tubular extensionY from the bottoni of the nut having a cone-shaped socket, and a cone projecting upward within the standard and engaging the socket.

4. ln a seat support of the character described7 a tubular'standard, a tubular post Vguided and slidable within the standard, a

turnable plug in the upper end of the post, a screw threaded nut in the lower end, a rod extending down from the plug and guided and slidable in the nut7 a coiled spring ten'- y sionally fixed and surrounding the rod between the plug and nut, and locking means to retain the plug when turned and control the torsional power of the spring.

In testimony whereof l have hereunto set my hand in presence of two subscribing witnesses. v

DOCTOR FRANKLlN OLIVER.

TWitnesses z E. BOWEN,

SMITH.

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