Elongated-member-driving apparatus – With means to support member and/or work relative to driver – Work immobilizer
Patent
1984-08-31
1986-11-04
Spruill, Robert L.
Elongated-member-driving apparatus
With means to support member and/or work relative to driver
Work immobilizer
227111, 227154, 227155, B27M 300
Patent
active
046206582
DESCRIPTION:
BRIEF SUMMARY
This invention is concerned with improvements relating to machines for the assembly of frames, and has been devised particularly for use in the assembly of frames from timber by the use of nails, and the invention will be described hereinafter particularly in this context. It is however to be appreciated that the invention may be used to advantage in the assembly of frames other than of components of timber (e.g. plastics material or metal) and by the use of fasteners other than nails (e.g. screws or rivets).
Timber frames for use in the building industry generally comprise parallel elongate members (generally termed "stringers") between which transverse members are secured, such transverse members generally being termed "studs".
In one example of the use of such a frame, the frame is erected in position with the studs extending vertically, and an outer skin of the building (which may be brickwork) is secured to the studs.
The spacing between the studs depends upon the design of the building for which the frame is intended, and the position in the building which the frame occupies, and thus varies from frame to frame. Because of this, difficulty has been experienced in providing a machine which may conveniently be used in the assembly of timber frames and which is economical as to its operator requirements.
Additional difficulty is encountered where it is desired to secured to and between adjacent studs one or more further longitudinal members such as (in relation to the building industry) "noggins", or further transverse members which do not extend wholly from one longitudinal member to the other, as is the case of cripple studs and sill studs.
According to this invention, there is provided a machine for the assembly of frames comprising: longitudinal frame members in parallel spaced relationship; first assembly; to the first assembly in a stepwise manner; termination of movement of the second assembly to clamp a transverse frame member in fixed position relative to the first assembly; and subsequent to operation of the clamping means to apply fasteners to secure such a transverse member to each of the longitudinal members.
In this manner, the second assembly may be moved relative to the first assembly in steps, the distance between which being equal to the spacing between the centrelines of the transverse members, the clamping means may be operated to clamp a transverse member positioned between the longitudinal members at the desired position, and the fastener applying means operated to secure the transverse member to the longitudinal members.
Preferably the first assembly also provides means for supporting transverse frame members extending between said longitudinal frame members. In this manner, a transverse member may be positioned between said longitudinal members at or adjacent to its desired position when the second assembly is stationary longitudinally relative to the first assembly, so that such a transverse member is at or adjacent to its desired position for operation of the clamping means.
Preferably the first assembly comprises a base, and two spaced side assemblies, each comprising a horizontally extending, elongate supporting member, said supporting members each providing means for supporting one of said longitudinal frame members, and locating them in spaced parallel relationship. Preferably at least one of the side assemblies is mounted on the base for lateral movement towards and away from the other, whereby the distance of separation of the supporting members may be varied in accordance with the desired spacing between the longitudinal frame members.
Preferably the second assembly extends between said side assemblies beneath the supporting members thereof. In this manner, the clamping means carried by the second assembly may gain operative access to components of or for the frame from a direction from beneath the frame.
The drive means may be adapted to move the second assembly longitudinally relative to the first assembly by manual operation or by means of a drive motor.
Conveniently
REFERENCES:
patent: 3564702 (1971-02-01), Hurn et al.
patent: 3576286 (1971-04-01), Bunch
patent: 3592376 (1971-07-01), Moehlenpah
patent: 3628714 (1971-12-01), Offenwanger
patent: 3711007 (1973-01-01), Fry
patent: 3848791 (1974-11-01), Jureit
patent: 4002116 (1977-01-01), Knowles
patent: 4133097 (1979-01-01), Slade
patent: 4305538 (1981-12-01), Schultz
Ross Taylor J.
Spruill Robert L.
Textron Inc.
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