|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||40/156 ; 40/10R ; 52/475|
|발명자 / 주소|
|인용정보||피인용 횟수 : 6 인용 특허 : 0|
Spring tension wire clamp apparatus includes a screw adapted to extend into a wooden frame with a spacer between the frame and a clamp which extends outwardly from the screw and adapted to be disposed against a canvas frame for holding the canvas frame into the picture frame.
Clamp apparatus for securing a canvas stretching frame to a decorative frame, comprising, in combination: screw means, including a shank, including a threaded portion for securing to the decorative frame, and a head adjacent the threaded shank; clip means secured to the screw means, including an extension arm extending from the screw means to the decorative frame, intermediate arm means connected to the extension arm and disposed on the stretcher frame for biasing the stretcher frame against the decorative picture frame, and an outer arm connected to the...