Facer Held By Stiffener-type Frame Patents (Class 52/474)
- Attaching device with piercing means (Class 52/765)
- Attaching means includes cam or wedge (Class 52/766)
- Attaching means pivots or includes pivoting actuating means (Class 52/768)
- Attaching means held in position by a spring-type member (Class 52/769)
- Attaching means contacts facer front and back faces then fastened to frame (Class 52/770)
- Exposed attaching element holds two spaced facers to frame (Class 52/772)
- Facer to frame attaching means resiliently biased (Class 52/773)
- Attaching element received in channel or aperture in frame (Class 52/775)
- Facer aligned to frame in two planes (e.g., notched facer) (Class 52/777)
- Frame recessed to receive facer (Class 52/780)
- Frame member fabricated from thin walled material (Class 52/781)